1.

One of tthe factor of (x-2a)(x-5a)(x-8a)(x-11a)+81a

Answer»

Here, f(X)= x^3 + ax^2- 2x + a + 4
And, G(x)= x + a

We have, x + a = 0
=> x = -a

Now, put the value thus found into f(x) function
f(-a) = (-a)^3 + a(-a)^2 - 2(-a) + a + 4 =0

=> -a^3 + a^3 + 2a + a = -4

=> 3a = -4

=> a = -4/3


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