The cost of 5 book is Rs. 125, then find the cost of 1 dozen books.

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Chandan Asked Sep 19, 2023

106 views

1 Answer

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Let $g: R \rightarrow(0, \pi / 3]$ is defined by $g(x)=\cos ^{-1}\left(\frac{x^2-k}{1+x^2}\right)$. Then find the possible values of ' $k$ ' for which $g$ is surjective.

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Find the value of $\sin ^{-1}\left(\sin \frac{4 \pi}{5}\right)$.

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If $\sin ^{-1}\left(\frac{x}{5}\right)+\operatorname{cosec}^{-1}\left(\frac{5}{4}\right)=\frac{\pi}{2}$ then a value of $x$ is-

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5 being subtracted from a number and then the remainder being divided by 4, the result becomes 3. Find the number.

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If $\int \frac{1}{x+x^5} d x=f(x)+C$, then the value of $\int \frac{x^4}{x+x^5} d x$ equals

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The cost of 5 book is Rs. 125, then find the cost of 1 dozen books.

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