Question

The square root of (7+3 root 5)(7-3 root 5) is

Answer 1

HELLO DEAR,


$\sqrt{(7 + 3 \sqrt{5})(7 - 3 \sqrt{5} )} \\ \\ = > \sqrt{49 - 45} = \sqrt{4} = 2$


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THANKS

Answer 2

Answer:

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