Question

find the value of k if -1 is the Zero of polynomial x to the power 2 - 4 x + k​

Answer 1

Answer:

P(x)=x^2-4x+k

P(-1)=(-1)^2-4×-1+k

=1+4+k

=5+k=0

k=-5

Answer 2

K = - 5 is the ans.......

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