1. The problem statement, all variables and given/known data f(a)=a^2 on the interval [0,1],how to prove it by the definition of integral ,and to find [tex]\int[/tex]f(a) on the interval [0,1] 2. Relevant equations 3. The attempt at a solution to prove by step functions ? set ai= (i/n)^(1/2) ??