​​find square root of 37-20root3 on indices

Dear student
We have,37-203=25+12-203=52+232-2523=5-232So, 5-232=5-23
Regards

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37-20√3
25+12-20√3
5 sq.+2√3-2*5*2√3
(5-2√3) whole sq.
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And its sq. Root is 5-2√3
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