Question

Find the area bounded by the curve y² = 4ax, x-axis and the lines x = 0 and x = a.

Answer 1

Area bounded = `int_0^aydx`

`=int_0^asqrt(4ax)dx`

`=2sqrtaint_0^ax^(1/2)dx`

`=2sqrta[(x^(1/2+1))/(1/2+1)]_0^a`

`=2sqrtaxx2/3xxa^(3/2)`

`=4/3a^(1/2+3/2)`

`=4/3a^2`