`sqrt(10+sqrt(24)+sqrt(60)+sqrt(40))` is equal to

sqrt(10+2sqrt(6)+2sqrt(10)+2sqrt(15)) is equal to (sqrt(2)+sqrt(3)+sqrt(5))(sqrt(2)+sqrt(3)-sqrt(5))(c)(sqrt(2)+sqrt(5)-sqrt(3))(d) None of these

sqrt(10).sqrt(15) is equal to

sqrt(10).sqrt(15) is equal to

The expression sqrt(10+2( sqrt6- sqrt 15-sqrt 10)) is equal to: