Definite IntegrationHard
Question
Which of the following is correct ?
Options
A.
(x)dx = 
(a + x)dx
(x)dx = (a + x)dxB.
(x)dx = (x)dx
(x)dx = (x)dxC.(x)dx =
(− x)dx
(x)dx =(− x)dxD.
(x)dx = −
(t)dt
(x)dx = −(t)dt(x)dx = (a + x)dx(x)dx = (x)dx(x)dx =(− x)dx(x)dx = −(t)dt