Question

choose the correct option

( a + b) 3 = ________________


[1] a3+ b3+ 3 a2b + 3a b2


[2] a3+ b3


[3]a3 + b3 + 2ab [4]( a+ b) ( a2

- ab + b2)

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Answer 1

Answer:

(1) a^3+ b^3+ 3 a^2b + 3a b^2

Answer 2

I cannot understand the options. So, I'm answering it rather choosing.

${(a + b)}^{3} = {a}^{3} + {b}^{3} + 3ab(a + b)$

Just match the options and mark.