Question

If both the zeroes of the quadratic polynomial 42 −8−9 are equal in
magnitude and opposite in sign then find the value of k.

Answer 1

Answer:

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Let one root of the given polynomial be a

Then the other root = -a

∴ Sum of the roots = (−a)+a=0

⇒

a

−b

=0 or

4

8k

or k=0