Question

If f(x-4/x+2)=2x+1 then integration of f(x)dx is equal to

Answer 1

Answer:

(x-4/x+2)=2x+1/1

cross multiplication

(x-4)×1=(x+2)×2x+1

x-4=3x+3

3x-x=3+4

2x=7

x=7/2

x=7÷2

x=3.5