Question

If zeros of polynomial x2+ax-b are equal but of opposite sign then value of a is

Answer 1

The value of a is 0.

Step-by-step explanation:

The given quadratic polynomial is

$x^2+ax-b$

Let the zeros of this polynomial is α and -α.

Hence, sum of zeros is given by

α + (-α) = -a/1

α - α = -a

0 = -a

a = 0

Therefore, the value of a is 0.

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Solve using quadratic formula

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Answer 2

Answer:

Thanks

Hope it will help you