Question

expand (a+b)
$(a + b) ^{3}$
​

Answer 1

Answer:

(a+b)³

(a+b)(a+b)(a+b)

(a²+ab+ab+b²)(a+b)

(a²+2ab+b²)(a+b)

(a³+a²b+2a²b+2ab²+ab²+b³)

(a³+3a²b+3ab²+b³)

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