What is integration by parts?

Integration by parts is used to integrate a product of functions. The formula is as follows:

Int[f(x)g'(x)] = f(x)g(x) - Int [f'(x)g(x)]

SR

Related Maths A Level answers

All answers ▸

Show that r^2(r + 1)^2 - r^2(r - 1)^2 ≡ 4r^3.


y = 2ln(2x + 5) – 3x/2 , x > –2.5 find an equation to the normal of the curve when x = -2


The rate of decay of the mass is modelled by the differential equation dx/dt = -(5/2)x. Given that x = 60 when t = 0, solve the quation for x in terms of t.


The graph above shows the line y = 3*x^2. Find the area beneath the graph from y = 0 to y = 5.