AM-1532

General term of a binomial expansion

A Math · Secondary 4 · Easy · General term of a binomial expansion

In the expansion of

(x^2+\dfrac{1}{x})^8

, what is the power of

x

in the general term

T_{r+1}=\binom{8}{r}(x^2)^{8-r}(\dfrac{1}{x})^r

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