Question

Plzzz solve this question no 15

Answer 1

Answer:

Let α and β be the zeros of the polynomial 4x²-8kx-9

It is given that α=-β

Then, α+β=0

-b/a=0

-(coefficient of x)/coefficient of x²=0

8k/4=0

2k=0

k=0

Hope it helps...

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Answer 2

Answer:

hlo g ..

ur intro pleech

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