Find the number of terms in the expansion of (x+y+z+2w)^12.
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Originally Posted by LAURA.GOODMAN Find the number of terms in the expansion of (x+y+z+2w)^12. any term is of type constraint a+b+c+d = 12 where each can take value for [0,12] Can you now solve it? Spoiler - http://www.mathhelpforum.com/math-he...ber-terms.html
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