Question

Hey mates... Please tell me the answer of this question...​

Answer 1

$\huge\mathfrak {Answer:}$

We get

(i) 2a

Because -b and +b gets cancelled.

$\mathfrak\purple {Hope\: this\: helps\: you...}$

Answer 2

Step-by-step explanation:

$\large\underline{\underline{\sf{\color{orange}{ANSWER:-}}}}$

$\displaystyle \sf \longrightarrow \ (a+b),(a-b)$

$\tt : \implies \ \: (a + b) + (a - b) \\ \\ \tt : \implies \: a + b + a - b \: \: \: \: \: \: \: \\ \\ \tt : \implies \: 2a \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$