The Student Room Group
Revelation
given that: D(x) [(x+1)^3*(2x-1)^4] = (x+1)^2*(2x-1)^3*(ax+b)

find a and b.


Use the chain rule

3(x+1)2(2x-1)4 + 8(2x-1)3(x+1)3

= (x+1)2(2x-1)3(3(2x-1) + 8(x+1))

and use the laws of jiggerypokery
Revelation
given that: D(x) [(x+1)^3*(2x-1)^4] = (x+1)^2*(2x-1)^3*(ax+b)

find a and b.



u have the answers ?

Latest