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OpenStudy (anonymous):
Find the indicated term of each expansion: Fifth term of (2a+3b)^10
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OpenStudy (amistre64):
\[\binom{10}{?} (2a)^{10-5}(3b)^{0+5}\]
OpenStudy (amistre64):
i think thats a 10C5 ....
OpenStudy (amistre64):
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
OpenStudy (amistre64):
lol, 252
OpenStudy (amistre64):
dbl chk with someone smarter tho ;)
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