solve : x11 + x25 =2 – InterviewSolution

1.	solve : x11 + x25 =2
Answer» 1/(x +1) + 2/(x + 5) = 1/22(x + 5 + 2x + 2) = (x + 1)(x + 5)2(3x + 7) = (x^2 + 6x + 5)6x + 14 = x^2 + 6x + 5x^2 - 9 = 0x^2 - (3)^2 = 0 (x - 3)(x + 3) = 0x = - 3, 3

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