Question

11. If x = 1 is a zero of f(x) = x3 - 2x2 + 4x + k, find
the value of k.​

Answer 1

Answer:

put x=1

(1)³-4+4×1+k=0

1-0×1+k=0

1+k=0

k= 0-1

k= -1

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