Question

1. Find :
(i) (a + b)(a + b)​

Answer 1

Answer:

${a}^{2} + 2ab + {b}^{2} \:$

Step-by-step explanation:

$(a + b)(a + b) \\ = {(a + b)}^{2} \\ {a}^{2} + 2ab + {b}^{2}$

Hope this answer will help you!

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Answer 2

Answer:

(a+b)(a+b)=(a+b)^2

so,(a+b)^2=a^2+b^2+2ab