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Mathematics 20 Online
OpenStudy (anonymous):

5.In the expansion of (3a + 4b)8, which of the following are possible variable terms? Explain your reasoning. a2b3; a5b3; ab8; b8; a4b4; a8; ab7; a6b5

OpenStudy (anonymous):

the 8 is an exponent right?

OpenStudy (anonymous):

In a binomial expansion, the sum of the exponents in each term is to the power n. Here n=8 So one of the possible terms is a^8. There appears to be a few others.

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