Question

If x=―1by2 is a zero of the polynomial​

Answer 1

Answer:

Step-by-step explanation:

QUESTION :If X = 1 2 is a Zero of the Polynomial F(X) = 8x3 + Ax2 − 4x + 2, Find the Value of A.

ANSWER:

SINCE x=1/2 is a zero of the polynomial

therefore f(1/2)=0

8(1/2)³+a(1/2)²-4(1/2)+2=0

1+a/4-2+2=0

1+a/4=0

a=-4

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