Grade 12th passIntegral CalculusS.T d/dx(integral t^2 to x^3 (dt/√x^2+t^4) )=3x^2/√x^2+x^12 --intigralt^2to x^2 (x dx/√[x^2+t^4]^3 venkateshwarrao 8 Years agoGrade 12th pass