Question

Solve fast please if possible with a picture
(4+3√7)²​

Answer 1

Step-by-step explanation:

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Answer 2

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According to question:

$= {(4 + 3 \sqrt{7} })^{2}$

$[ {(x + y)}^{2} = {x}^{2} + {y}^{2} + 2xy]$

$= {(4)}^{2} + {(3 \sqrt{7} })^{2} + 2(4)(3 \sqrt{7} )$

$= 16 + 63 + 24 \sqrt{7}$

$= 79 + 24 \sqrt{7}$

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