Class 11

4-2.Quadratic Equations and Inequations question bank (Maths)

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Q1.

If the remainders of the polynomial $f(x)$ when divided by $(x + 1), (x - 2), (x + 2)$ are $6, 3, 15$ respectively,then the remainder of $f(x)$ when divided by $(x + 1)(x + 2)(x - 2)$ is:

(A)

$2x^2 - 3x + 1$

(B)

$3x^2 - 2x + 1$

(C)

$2x^2 - x - 3$

(D)

$3x^2 + 2x + 1$

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Q2.

The equation $4^{(x^2 + 2)} - 9 \cdot 2^{(x^2 + 2)} + 8 = 0$ has the solution:

(A)

$x = 1$

(B)

$x = -1$

(C)

$x = \sqrt{2}$

(D)

$x = 1$ and $x = -1$

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