sqrt(10times sqrt(15)" is equal to ")

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

sqrt(10).sqrt(15) 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)xx sqrt(15)

sqrt10xxsqrt15 is equal to

The value of 1/(sqrt(10) - sqrt(9)) - 1/(sqrt(11) - sqrt(10)) + 1/(sqrt(12) - sqrt(11)) - .... - 1/(sqrt(121) - sqrt(120)) is equal to

The value of (1)/(sqrt(10) - sqrt(9)) - (1)/(sqrt(11)-sqrt(10)) + (1)/(sqrt(12) - sqrt(11))………. - (1)/(sqrt(121) - sqrt(120)) is equal to

What is sqrt(-10where I =sqrt(-1) equal to ?