Question

find the value of a if (x-3)is a factor of a2-x3-(ax)2+3ax-a​

Answer 1

Explanation:

Given,

x - a is a factor of

we know,

x - a = 0

x = 0+a = a

Substitung the value of x as a,

we have,

(a)^3 - a(a)^2 + 2(a) + a - 1 =0

a^3 - a^3 + 2a + a - 1=0

3a - 1=0

3a =1

a = 1/3

Thus

a = 1/3

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Answer 2

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