The 3rd term in ascending powers of x in the expansion of (1 + 1/x) n ,
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The 3rd term in ascending powers of x in the expansion of (1 + 1/x)n, n > 2, is 6/x2. Find the value of n.
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ANSWER We can use the binomial theorem to expand 1 1xn 1 1xn Cn0 Cn1x Cn2x2 ...View the full answer
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Related Book For
Complete Pure Mathematics 1 For Cambridge International AS & A Level
ISBN: 9780198427438
2nd Edition
Authors: Jean Linsky, Brian Western, James Nicholson
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