(3+underroot 3)square
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Step-by-step explanation:
(3+√3)²
(3+1.73)²
(3.73)²
13.91
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Answer:
12+6√3
Step-by-step explanation:
if your question is (3+√3)^2 then
using formula (a+b)^2=a^2+b^2+2ab
3^2+√3^2+2×3×√3
9+3+6√3
12+6√3