Question

$(3 + 2 \sqrt{5) {?}^{2} }$
Write down the values of ​

Answer 1

Answer:

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Step-by-step explanation:

(3+2

5

)

2

=3

2

+(2

5

)

2

+2×3×2

5

=9+4×5+12

5

=29+12

5