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Simplify the following expressions . i...

Simplify the following expressions .
i) `(5+sqrt(7))(2+sqrt(5))`
ii) `(5+sqrt(5))(5-sqrt(5))`
iii) `(sqrt(3)+sqrt(7))^(2)`
iv) `(sqrt(11)-sqrt(7))(sqrt(11)+sqrt(7))`

Text Solution

Verified by Experts

The correct Answer is:
(i) `10 + 5 sqrt(5)+2 sqrt(7) + sqrt(35)` (ii) 20 (iii) `10 + 2 sqrt(21)`
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