सरल कीजिए - `(5+sqrt(5))(5-sqrt(5))`

5sqrt(5)+15sqrt(5) =?

The value of (5+sqrt(5))(5-sqrt(5)) is:

Simplify: (5+sqrt5)(5-sqrt5)

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

Simplify : (5+sqrt(5))(5-sqrt(5)) (ii) (3+2sqrt(2))(3-2sqrt(2))

Simplify : ( 5- sqrt(10 ))/( 5+ sqrt( 10 ) ) -( 5+ sqrt(10 ))/( 5-sqrt(10))

sqrt(5sqrt5(sqrt5(sqrt5)))