If x2 + y2 + 2x + 1 = 0, then the value of x31 + y35 is
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Correct answer: A
Explanation
The correct option is 1.
x2 + y2 + 2x + 1 = 0
x2 + 2x + 1 + y2 = 0 {∵ (x + 1)2 = x2 + 2x + 1}
(x + 1)2 + y2 = 0
∴ (x + 1)2 = 0 , y2 = 0
x + 1 = 0 y = 0
x = -1 y = 0
x31 + y35 = −131 + 035 = -1