Find the term independent of x in the expansion of (2x 1/x) 9 .
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Find the term independent of x in the expansion of (2x² − 1/x)9.
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ANSWER We can use the binomial theorem to expand 2x 1x9 2x 1x9 k0 to 9 9 choose k 2x9k 1...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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