Write the coefficient of x2 in -2x2-x

The correct option is A π2 Clearly, the given expression π/2x^2+x is quadratic polynomial and constant multiplied with x^2 is π/2 .Theref ...

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Standard VIII

Mathematics

Coefficients

Write the coe...

Question

Write the coefficient of $x^{2}$ in $\frac{π}{2} x^{2} + x$

\frac{π}{2}

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Solution

The correct option is A $\frac{π}{2}$
Clearly, the given expression $\frac{π}{2} x^{2} + x$ is quadratic polynomial and constant multiplied with $x^{2}$ is $\frac{π}{2}$ .
Therefore, the coefficient of $x^{2}$ is $\frac{π}{2}$ .

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Similar questions

Write the coefficient of $x^{2}$ in each of the following?
(1) $2 + x^{2} + x$
(2) $2 - x^{2} + x^{3}$
(3) $\frac{π}{2} x^{2} + x$
(4) $\sqrt{2} x - 1$

Write the coefficients of in each of the following:

(i) (ii)

(iii) (iv)

Q. Question 2
Write the coefficients of

x^{2}

in each of the following:
(i)

2 + x^{2} + x

(ii)

2 - x^{2} + x^{3}

(iii)

\frac{π}{2} x^{2} + x

(iv)

\sqrt{2 x} - 1

Q. Write the coefficient of

x^{2}

in each of the following:

(i)

\frac{π}{6} x + x^{2} - 1

(ii)

3 x - 5

Q. Let the function be defined as follows:

f (x) = x^{3} + x^{2} - 10 x, - 1 \leq x < 0

cos x, 0 \leq x < \frac{π}{2}

1 + sin x, \frac{π}{2} \leq x \leq π .

Then

f (x)

has

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Write the coefficient of x2 in π2x2+x

The correct option is A π2Clearly, the given expression π2x2+x is quadratic polynomial and constant multiplied with x2 is π2.Therefore, the coefficient of x2 is π2.

Write the coefficient of $x^{2}$ in $\frac{π}{2} x^{2} + x$

The correct option is A $\frac{π}{2}$
Clearly, the given expression $\frac{π}{2} x^{2} + x$ is quadratic polynomial and constant multiplied with $x^{2}$ is $\frac{π}{2}$ .
Therefore, the coefficient of $x^{2}$ is $\frac{π}{2}$ .