The square root of 11+√112=
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Solution:
Let x = √11+√112
=> x = √11+√4×28
=√11+2√28
= √(7+4)+2√7×4
= √(√7)²+(√4)²+2*√7*√4
= √(√7+√4)²
= √7+√4
= √7 + 2
Therefore,
x = √11+√112 = √7+2
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