Question

Solve the following questions

Answer 1

Answer:

1. (√2+2)^2

Step-by-step explanation:

(√2)^2 = 2

(2)^2 = 4

so 2+4 = 6

and,

using the (a+b)^2 identity

a =√2

b =2 so,

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

so,

(√2)^2+(2)^2+2×√2×2

2+4+4√2

6+4√2 Ans.

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