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zxen's latest activity
zxen
replied to the thread
Combinatorics for number of distinct terms in multinomial expansion
.
That really doesn't help as to the uniqueness of ##3j+4k##. Even if we solve for the nonnegative solutions, some pairs of ##(j,k)##...
Mar 9, 2024
zxen
posted the thread
Combinatorics for number of distinct terms in multinomial expansion
in
Precalculus Mathematics Homework Help
.
Expanding the multinomial, the general term is 8!/i!j!k! * x^(3j+4k) for all i + j + k = 8. The number of terms would be the number of...
Mar 6, 2024
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