GOODMAN
Find the indicated term of each expansion:
Fifth term of (2a+3b)^10



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amistre64
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\[\binom{10}{?} (2a)^{105}(3b)^{0+5}\]

amistre64
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i think thats a 10C5 ....

amistre64
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10.9.8.7.6

5.4.3.2
10.9.8.7

5.4
10.9.2.7

5
2.9.2.7 = 4(63) = 12 + 240 = 232

amistre64
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lol, 252

amistre64
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dbl chk with someone smarter tho ;)