Just count 3

Find the number of distinct terms in the expansion of ( x + y z ) 16 (x+y-z)^{16}

Second part here


The answer is 153.

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1 solution

Jaiveer Shekhawat
Mar 18, 2015

Won't say a level 4 problem...but anyways thanks for 110 points !! :) keep posting!

jaiveer shekhawat - 6 years, 2 months ago

How do you know that ( 18 16 ) = 153 \displaystyle { 18 \choose 16 } = 153 ?

. . - 1 month ago

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