Math, asked by mohit1008, 1 year ago

simplify the question

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Answered by Varun151

0

(root3 -2root5)^2
( roor3 )^2 + (2root5 )^2 - 2×2 root5 × root3
3 + 20 - 4root15
23 - 4root15

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Answered by BeMathematified

1

using the formula (a+b)^2
we can get
$3 - 2\sqrt{15} + 20$
or
$23 - 2 \sqrt{15}$

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