Arrange in descending order: `root(9)(7),root(6)(5),root(3)(2)`.

Express in the form of like surds: root(3)(4), root(6)(5), 2sqrt3 .

Express as like surds: root(6)(5), root(5)(6)

Find out the greatest and least numbers: 2sqrt2, 3root(3)(2), 2root(4)(3), 2root(6)(7)

5 root(5)(15625) =

Which one of root(3)(2), root(4)(3), root(6)(5) and root(12)(26) is greatest?

(a) If x gt a, y gt b and x + y = a + b , then find which one of (sqrtx + sqrty) and (sqrta + sqrtb) is greater ? (b) Which one of the two (sqrt21 + sqrt11) and (2sqrt5 + 2 sqrt3) is greater ? (c) Which one is greater root(3)(4) and root(4)(5) ? (d) Find the greatest and least numbers : 2 sqrt2, 3 root(3)(2), 2 root(4)(3), 2 root(6)(7)

Simplify : root4(81)-8root3(343)+15 root5(32)+sqrt(225)

Rationalising factor of (root(3)(3) + root(3)(2)) is ____

Arrange the following in the descending order (bigger to smaller) of their values. (vii) 6.7 × 7.2, 6.7, 7.2