किसी समतल की सभी सरल रेखाओं के समुच्चय में $R$ लम्ब होने का संबंध है, तो संबंध $R-$ —

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thedablukumar Asked Jan 12, 2023

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thedablukumar Asked Jan 12, 2023

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मान लीजिए कि समुच्चय $N$ में $R=\{(a, b): a=b-2, b>6\}$ द्वारा प्रदत्त संबंध $R$ है। निम्नलिखित में से सही उत्तर है —

thedablukumar Asked Jan 12, 2023

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thedablukumar Asked Jan 12, 2023

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संबंध $R=\{(1,3),(4,2),(2,4),(2,3),(3,1)\}$ समुच्चय $A=\{1,2,3,4\}$ प कैसा संबंध है?

thedablukumar Asked Jan 12, 2023

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thedablukumar Asked Jan 12, 2023

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समुच्चय $A=\{a, b, c\}$ में कुल कितने भिन्न संबंध परिभाषित किए जा सकते हैं?

thedablukumar Asked Jan 12, 2023

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thedablukumar Asked Jan 12, 2023

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वास्तविक संख्याओं के समुच्चय में संबंध "छोटा है" निम्नलिखित में कौन-सा संबंध है?

thedablukumar Asked Jan 12, 2023

by thedablukumar

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thedablukumar Asked Jan 12, 2023

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यदि $A=\{1,2,3\}$ तो $(1,2)$ को शामिल करते हुए कितने तुल्यता संबंध $A$ पर परिभाषित हो सकते है?

thedablukumar Asked Jan 12, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $A=\{1,2,3\}, B=\{6,7,8\}$ तथा $f: A \rightarrow B$ एक फलन है, इस प्रकार कि $f(x)=x+5$, तो $f$ निम्नलिखित में से किस प्रकार का फलन है?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $f: R \rightarrow R$ जहाँ $f(x)=5 x+4$ तो $f^{-1}(x)$ निम्नलिखित में कौन होगा?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $f: R \rightarrow R$ जहाँ $f(x)=3 x-4$ तो $f^{-1}(x)$ निम्नलिखित में कौन है?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $f(x)=\left(x^2-1\right)$ और $g(x)=(2 x+3)$ तो $(g \circ f)(x)=$?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $A=\{a, b, c\}, B=\{1,2,3\}$ और $f=\{(a, 1),(b, 2),(c, 2)\}$ तो $f$ कैसा फलन है?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 12, 2023

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यदि $n(A)=3$ तथा $n(B)=2$ तो $n(A \times B)=$

thedablukumar Asked Jan 12, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $A=\{1,2,3\}$ निम्नलिखित में किस फलन $f: A \rightarrow A$ का प्रतिलोम फलन प्राप्त नहीं होगा?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $f\left(x_1\right)=f\left(x_2\right) \Rightarrow x_1=x_2 \forall x_1, x_2 \in A$, तो $f: A \rightarrow B$ कैसा फलन होगा?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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$f: A \rightarrow B$ आच्छादक फलन होगा, यदि —

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि $f(x)=8 x^3$ और $g(x)=x^{\frac{1}{3}}$ तो $f o g$=?

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि फलन $f: R \rightarrow R$ इस प्रकार परिभाषित है, कि $f(x)=\left(3-x^3\right)^{\frac{1}{3}}$ तो $f o f(x)$ है — —

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 13, 2023

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यदि फलन $f: N \rightarrow N$ इस प्रकार परिभाषित है, कि $f(x)=4 x+3$ तो $f^{-1}(x)$= _________

thedablukumar Asked Jan 13, 2023

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thedablukumar Asked Jan 12, 2023

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संबंध क्या होता है? Sambandh Kya Hota Hai?

thedablukumar Asked Jan 12, 2023

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LEELADHAR YADAV Asked Aug 22, 2023

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Let $f: X \rightarrow Y$ be a function. Define a relation $R$ on $X$ given by $R=\{(a, b): f(a)=f(b)\}$. Show that $R$ is an equivalence relation on $X$.

LEELADHAR YADAV Asked Aug 22, 2023

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thedablukumar Asked Jan 13, 2023

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यदि फलन $f: N \rightarrow N$, इस प्रकार परिभाषित है, कि $f(x)=2 x+3$, तो $f^{-1}(x)$=?

thedablukumar Asked Jan 13, 2023

by thedablukumar

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LEELADHAR YADAV Asked Aug 22, 2023

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Let $Z$ be the set of all integers and R be the relation on Z defined as $R=\{(a, b): a, b \in Z$, and $(a-b)$ is divisible by 5} Prove that $R$ is an equivalence relation.

LEELADHAR YADAV Asked Aug 22, 2023

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AnjaliYadav Asked Jun 24, 2022

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एक वृत्त $\triangle A B C$ की भुजा $B C$ को $P$ बिंदु पर स्पर्श करता है तथा भुजाओं $A B$ और $A C$ को बढ़ाने पर क्रमशः $Q$ तथा $R$ पर स्पर्श करता है।

AnjaliYadav Asked Jun 24, 2022

by AnjaliYadav

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AnjaliYadav Asked Jun 24, 2022

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यदि $\alpha, \beta$ किसी द्विघात बहुपद $a x^{2}+b x+c$ के शून्यक हों, तो $\alpha^{2}+\beta^{2}$ का मान ज्ञात करें।

AnjaliYadav Asked Jun 24, 2022

by AnjaliYadav

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abhay Asked Jun 30, 2022

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एक कक्षा में कुछ छात्रों का औसत वज़न 60.5 किग्रा था। जब 8 छात्र, जिनका औसत वज़न 65 किग्रा था, कक्षा में शामिल हुए, तो सभी छात्रों का औसत वज़न 0.9 किग्रा बढ़ गया। शुरुआत में, कक्षा में छात्रों की संख्या क्या थी?

abhay Asked Jun 30, 2022

by abhay

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LEELADHAR YADAV Asked Aug 19, 2023

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Let R be the set of real numbers. Statement-1 : $A=\{(x, y) \in R \times R: y-x$ is an integer $\}$ is an equivalence relation on $R$. Statement-2 : $B=\{(x, y) \in R \times R: x=\alpha y$ for some rational number $\alpha\}$ is an equivalence relation on R.

LEELADHAR YADAV Asked Aug 19, 2023

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LEELADHAR YADAV Asked Aug 16, 2023

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Let R be a relation on the set N be defined by $\{(x, y) \mid x, y \in N, 2 x+y=41\}$. Then $R$ is

LEELADHAR YADAV Asked Aug 16, 2023

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LEELADHAR YADAV Asked Aug 16, 2023

135 views

Let L denote the set of all straight lines in a plane. Let a relation $R$ be defined by $\alpha R \beta \Leftrightarrow \alpha \perp \beta, \alpha, \beta \in L$. The R is

LEELADHAR YADAV Asked Aug 16, 2023

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LEELADHAR YADAV Asked Aug 19, 2023

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Consider the following relation R on the set of real square matrices of order 3 . $R=\left\{(A, B) \mid A=P^{-1} B P\right.$ for some invertible matrix $\left.P\right\}$.

LEELADHAR YADAV Asked Aug 19, 2023

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LEELADHAR YADAV Asked Aug 19, 2023

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Consider the following relations : $R:\{(x, y) \mid x, y$ are real numbers and $x=$ wy for some rational number w;

LEELADHAR YADAV Asked Aug 19, 2023

by LEELADHAR YADAV

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LEELADHAR YADAV Asked Aug 19, 2023

43 views

Let $R=\{(3,3),(6,6),(9,9),(12,12)(6,12),(3,9),(3,12),(3,6)\}$ be relation on the set $A=\{3,6,9,12\}$. Then the relation R is

LEELADHAR YADAV Asked Aug 19, 2023

by LEELADHAR YADAV

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LEELADHAR YADAV Asked Aug 15, 2023

61 views

In the set A={1,2,3,4,5} a relation R is defined by $R=\{(x, y) \mid x, y \in A$ and $x<y\}$. Then R is

LEELADHAR YADAV Asked Aug 15, 2023

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LEELADHAR YADAV Asked Aug 13, 2023

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Prove that the relation $R=\left\{(x, y): x^2=x y\right\}$ is reflexive and transitive but not symmetric

LEELADHAR YADAV Asked Aug 13, 2023

by LEELADHAR YADAV

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LEELADHAR YADAV Asked Aug 13, 2023

54 views

Let $R=\{(x, y): x, y \in A, x+y=5\}$ where A={1,2,3,4,5} then prove that R is neither reflexive nor transitive but symmetric.

LEELADHAR YADAV Asked Aug 13, 2023

by LEELADHAR YADAV

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Chandan Asked Sep 12, 2023

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Show that the relation R in R defined as $R=\{(a, b): a \leq b\}$ is not symmetric.

Chandan Asked Sep 12, 2023

by Chandan

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LEELADHAR YADAV Asked Aug 22, 2023

66 views

Prove that the relation R in the set A=(1,2,3,4,5) given by $R=\{(a, b):|a-b|$ is even $\}$, is an equivalence relation.

LEELADHAR YADAV Asked Aug 22, 2023

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किसी समतल की सभी सरल रेखाओं के समुच्चय में $R$ लम्ब होने का संबंध है, तो संबंध $R-$ —

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