`frac{sqrt2}{sqrt4-sqrt5}`

2sqrt5 - sqrt5 = sqrt5

The value of (log)_(sqrt(4+2sqrt(2))sqrt(4-2sqrt(2)))2^9 is...........

solve the equations: frac{2}{sqrt x} + frac{3}{sqrt y} =2 and frac{4}{sqrt x} - frac{9}{sqrt y} =-1

Simplify (sqrt5-sqrt2)(sqrt5+sqrt2)

Find : (sqrt5+sqrt2)(sqrt3+sqrt2)

Simplify the following expressions : (sqrt5-sqrt2)(sqrt5+sqrt2)

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)

Prove that tan 7 (1^(@))/(2) = sqrt2 - sqrt3 -sqrt4 + sqrt6 = (sqrt3 - sqrt2) (sqrt2 -1).

int frac{x}{x^2sqrt(x^4-1)} dx

If B=(12)/(3+sqrt5+sqrt8)andA=sqrt1+sqrt2+sqrt5-sqrt10, then value of log_(A)B is