InterviewSolution
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If (1+x)^(n) = c_(0) + C_(1)x+C_(2)x^(2)+"….."+X_(n)x^(n), m ge 2 C_(0) - C_(1)+C_(2) - "……"+(-1).^(m-1)C_(m-1) = (-1)^(m-1).^(n-1)C_(m-1). |
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Answer» `(-1)^(m-1).^(N-1)C_(m-1)` |
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