Math, asked by khushisaundarkar, 3 months ago

simplify. 3/7+2√5
pls simplified this ​

Answers

Answered by vaishubh1707
0

\frac{3}{7 +2 \sqrt{5}} \\ \\ = \frac{3( 7 - 2 \sqrt{5})}{7 +2 \sqrt{5} ( 7 - 2 \sqrt{5})} \\ \\ = \frac{21 - 6 \sqrt{5} }{49 - 20} \\ \\ = \frac{21 - 6 \sqrt{5} }{29}

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