Question

More integration: (4x+1)/ (2x^2 + x - 1)

but looks like the denominator won't factor...

Answer 1

actually it does factor
--> (2x-1)(x+1)

Now you can use partial fractions
A/2x+1 + B/x+1
--> A(x+1) + B(2x+1) = 4x+1
(A+2B)x +(A+B) = 4x+1

A+2B = 4
A+B = 1

--> A = -2, B=3

Answer 2

bah 2x - x.....MUST MULTIPLY THE COEFFICIENT TOO....note to self: do not trust even the multiply stuff

thanks

Answer 3

haha welcome