Write coefficients of x^2 in each of following : (i) 2+x^{2}+x (ii) 2-x^{2}+x^{3}

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2. Polynomials

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Write the coefficients of $x^2$ in each of the following :

$(i)$ $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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