Question

simplify:-
$(3 + \sqrt{3} ) ^{2}$

please help
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Answer 1

Step-by-step explanation:

we know that (x+y)²=x²+y²+2xy

so here x=3 and y=√3

→(3+√3)²=(3)²+(√3)²+2×3×√3

→(3+√3)²=9+3+6√3

→(3+√3)²=12+6√3

Answer 2

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