give me answer of ques no. 4
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p(x) =8x³-ax²-x+2
x = -1/2 is zero of this polymomial
P(-1/2) = 0
8(-1/2)³ - a(-1/2)² - (-1/2) + 2 = 0
-1-a/4+1/2 + 2=0
1+1/2-a/4=0
a/4 = 3/2
a=6
x = -1/2 is zero of this polymomial
P(-1/2) = 0
8(-1/2)³ - a(-1/2)² - (-1/2) + 2 = 0
-1-a/4+1/2 + 2=0
1+1/2-a/4=0
a/4 = 3/2
a=6
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