Math, asked by devikrishna29, 2 months ago

Find the value of k ,if (-1) is a zero of the polynomial p(x) =Kx sq. -4x +k.

Answers

Answered by debopriya78

7

Answer:

I think it is k=2

Step-by-step explanation:

x=-1

p(x)=0

p(1)=0

kx^2-4x+k=0

k×1-4×1+k=0

k-4+k=0

2k=0+4

k=4/2=2

k=2

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