+2 votes
in Class 11 by kratos

If (x + 1)2 = x, the value of 11x3 + 8x2 + 8x – 2 is

(A) 1

(B) 2

(C) 3

(D) 4

1 Answer

+1 vote
by kratos
 
Best answer

Correct option: (A) 1

Explanation:

(x + 1)2 = x

x2 + x + 1 = 0

11x3 + 8x2 + 8x – 2

= (x2 + x + 1) (11x – 3) + 1

= (0) (11x – 3) + 1 = 1.

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