द्विघात बहुपद $=x^{2}-2 x-8$ के शून्यक ज्ञात किजीए।
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द्विघात बहुपद $=x^{2}-2 x-8$ के शून्यक ज्ञात किजीए। 

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Solution : $p(x)=x^{2}-2 x-8=x^{2}-4 x+2 x-8$

$=x(x-4)+2(x-4)=(x-4)(x+2)$

अब $x-4=0$ तो $x=4$ तथा $x+2=0$ तो $x=-2$.

$\therefore p(x)$ के शून्यक हैं $4,-2$.

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