The quadratic polynomial in x whose zeros are -a, 2a is:

(x + a) (x – 2a)

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(x – 2a) (x + 2a)

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(x + a) (x + 2a)

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(x – a) (x – a)

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Solution

The correct option is A
(x + a) (x – 2a)

Zeroes of a polynomial are –a and 2a.

Thus, f(x) = (x+a) ( x-2a).

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The quadratic polynomial in x whose zeros are -a, 2a is:

\frac{1}{2 α + β} and \frac{1}{2 β + α}

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