Which expression represents the fourth term in the binomial expansion of (e+2f) 10

Question

Baron Trevino

Mathematics

29 April, 17:11

Which expression represents the fourth term in the binomial expansion of (e+2f) 10

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Answers (1)

Know the Answer?

Jayden Bryan · Answer 1

A = e; b = 2 f; n = 10.

The fourth term is:

T 4 = T (3+1) = (10 * 9 * 8) / (3 * 2 * 1) * e^7 * (2 f) ^3 =

= 120 * e^7 * 2^3 * b^3 =

= 120 * 8 * e^7 * b^3 =

= 960 * e^7 * b^3