If x = 1 is a zero of the polynomial p(x)=x 3 -2x 2 + 4x + k find the value of ‘k’.
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Answer:
1³-2(1)²+4(1)+k = 0
1 - 2 +4 +k =0
-1+4+k=0
3+k = 0
k = -3....
hope it helps
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