The coefficient of x in the expansion of (3 x) 6 (kx 3) 5
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The coefficient of x in the expansion of (3 − x)6 − (kx − 3)5 is 375. Find the possible values of k.
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Lets first expand the binomials 3x6 729 1458x 1215x2 540x3 162x4 32x5 1x6 kx35 k5...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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