AM-104

Binomial expansion

A Math · Secondary 3 · Easy · Binomial expansion

Find the first four terms, in ascending powers of

x

, of the expansion of

(3+2x)^5

.

$243+270x+360x^2+240x^3$
$243+810x+1080x^2+720x^3$
$243+540x+720x^2+480x^3$
$243+162x+108x^2+32x^3$

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