Question

Answer is 2 but how please tell if anyone know

Answer 1

Answer:

let's do binomial into polynomial

Step-by-step explanation:

a*a^2=a^3

on further solving we land up on the second one

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Answer 2

Answer:

(2)

Step-by-step explanation:

First multiply the first term of first bracket i.e a with the whole second bracket

we get,

a^3 - a^2b + ab^2 + a..... (1)

Now b with whole second bracket,

we get,

a^2b - ab^2 + b^3 + b...... (2)

Now add eqn 1 and 2

You will get the second option as answer

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