Question

simplify the following expressions
$(5 + \sqrt{7)} (2 + \sqrt{5} )$
$(5 + \sqrt{5} )(5 - \sqrt{5} )$
$( \sqrt{3} + \sqrt{7 }^{2} )$
$( \sqrt{11} - \sqrt{7} )( \sqrt{11} + \sqrt{7} )$
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Answer 1

Answer:

Refer to the Attachment:-

Hope this helps you....

Answer 2

Answer:

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