2. Polynomials
easy

निम्नलिखित में से प्रत्येक में $x^{2}$ का गुणांक लिखिए

$(i)$ $2+x^{2}+x $

$ (ii)$ $2-x^{2}+x^{3}$

A

$1$,  $-1$

B

$1$,  $-2$

C

$2$,  $-1$

D

$1$,  $1$

Solution

$(i)$ $2+x^{2}+x^{2}$

The co-efficient of $x^{2}$ is $1$ .

$(ii)$ $2-x^{2}+x^{3}$

The co-efficient of $x^{2}$ is $(-1)$

Standard 9
Mathematics

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