Question

If one of the zeroes of quadratic polynomial 14x^2-42k^2x-9 is negative of other,find k

Answer 1

I hope it will help you.

Answer 2

Answer:

a=14 b=42k^2 c=9

Alpha=-Beta -Equation 1

Alpha+Beta = -b/a

From 1

-Beta+Beta=-(42k^2)/14

0=3k^2

0=k^2

k=0

hope it helps you

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