limx→−1(1+x)(1−x2)(1+x3)(1−x4)....(1−x4n)[(1+x)(1−x2)(1+x3 – InterviewSolution

InterviewSolution

1.	limx→−1(1+x)(1−x2)(1+x3)(1−x4)....(1−x4n)[(1+x)(1−x2)(1+x3)(1+x4).......(1−x2n)]2is equal to:
Answer» $l i m x \to - 1 \frac{(1 + x) (1 - x^{2}) (1 + x^{3}) (1 - x^{4}) . . . . (1 - x^{4 n})}{{[(1 + x) (1 - x^{2}) (1 + x^{3}) (1 + x^{4}) . . . . . . . (1 - x^{2 n})]}^{2}} is equal to:$

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