If `f(x) = frac{2x+3}{3x-2}`, x `!=` `frac{2}{3}` then find fof(x).

If f(x) = frac{4x+3}{6x-4} , x != 2/3 then find fof(x).

If f(x) = (2x + 3)/(3x-2), x ne (2/3) then find fof (x).

If f(x) = frac{3x-1}{x+1} , x != -1 then find fof(x).

If f(x) = (4x + 3)/(6x-4), x ne (2/3) then find fof (x).

Write the tan^-1 (frac{3a^2 x-x^3}{a^3- 3 ax^2)), a>0,- frac {a}{ 3} le x le frac{a}{ 3} . in the simplest form.

If f(x) = (3x - 1)/(x+1), x ne (-1) then find fof (x).

Write the tan^-1 (frac{cos x}{1+sin x}), -frac{pi}{2} < x < frac {pi}{2} in the simplest form.

If f, g: Rrarr R are defined by f(x) = x^2 + 3x+1,g(x) = 2x – 3 then find fog .

If f, g: Rrarr R are defined by f(x) = x^2 + 3x+1,g(x) = 2x – 3 then find gof .