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If alphaa n dbeta are the zeros of the q...

If `alphaa n dbeta` are the zeros of the quadratic polynomial `f(x)=k x^2+4x+4` such that `alpha^2+beta^2=24` , find the value of `kdot`

A

k=1

B

k=-1

C

`k=2//3`

D

both (b) and (c )

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