Find the coefficient of w2x2y2z2 in the expansion of (a) (w + x + y + z
Question:
(a) (w + x + y + z + l)10
(b) (2w - x + 3y + z - 2)12
(c) (u + w - 2x + y + 5z + 3)12.
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a b 122 4 42 2 3 2 ...View the full answer
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Related Book For 
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
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