Question

if x-2 is a factor of x² -3ax - 2a , then a t​

Answer 1

Answer:

x-2=0

x=2

Let P(x) be x2-3ax-2a

Now,

P(2)=2*2-3*2a-2a=0

4-6a-2a=0

4-8a=0

-8a=(-4)

a=1/2

Hence,a=-1/2

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