Question

(2+√3)^2 + (2-√3)^2

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Answer 1

Answer:

this is of the form

(a+b)²+(a-b)²

a²+2ab+b²+a²-2ab+b²

2ab cancel out

2(a²+b²)

so here

take a as 2

b as √3

=>2(4+3)

2(7)

14