" 3alstur "13:2sqrt(2)+5sqrt(3)" sit "sqrt(2)-3sqrt(3)" and "

Add 2sqrt(2)+5sqrt(3) and sqrt(2)-3sqrt(3)

Add 2sqrt(2)+5sqrt(3) and sqrt(2)-3sqrt(3) .

Add (3sqrt(2) + 7 sqrt(3)) and (sqrt(2) - 5sqrt(3)) .

Multiply : (sqrt(3)+sqrt(2)) (5sqrt(2)+sqrt(3))

Multiply : (sqrt(3)+sqrt(2)) (5sqrt(2)+sqrt(3))

(sqrt((2)/(5))+sqrt((3)/(3)))(sqrt(2)+sqrt(3))

Add (i) (2sqrt(3)-5sqrt(2)) and (sqrt(3) + 2sqrt(2)) (ii) (2sqrt(2) + 5sqrt(3) - 7 sqrt(5) and (3sqrt(3)-sqrt(2) + sqrt(5)) (iii) ((2)/(3) sqrt(7) -(1)/(2)sqrt(2)+6sqrt(11)) and ((1)/(3)sqrt(7) + (3)/(2)-sqrt(11))

Multiply (3sqrt(-7)-5sqrt(-2))(3sqrt(-2)+5sqrt(-2)

The simplest rationalising factor of 2sqrt(5)-sqrt(3) is (a) 2sqrt(5)+\ 3 (b) 2sqrt(5)+sqrt(3) (c) sqrt(5)+sqrt(3)\ \ (d) sqrt(5)-sqrt(3)

(2sqrt3 + sqrt5)(2sqrt3 - sqrt5)