Question

Find the value of a, if (x-a) is a factor of x-a2x + x +2.​

Answer 1

Step-by-step explanation:

p(x)=x-a2x+x+2

g(x)=x-a

0=x-a

x=a

now,

p(x)=x-a2x+x+2

0=a-a2×a+a+2

0 =2a-2a^2+2

-2(a^2-a-2)=0

a^2-a-2=0

a^2+a-2a-2=0

a(a+1)-2(a+1)=0

(a-2)(a+1)=0

a-2=0

a=2 ans...

and

a+1=0

a=-1 ans.

hope it helps..

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