Question

if x=2 is a root of the polynomial f (x) =2x²-3x+7a. find the value of a

Answer 1

hey your ans is here

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given

x=2 as a factor of 2x2-3x+7a
so

2(2)2-3(2)+7a=0
8-6+7a=0
2+7a=0
a=-2/7

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Answer 2

this is tha value of a