hi guys...i want to ask questions about integration ...it's just a basic but i really2x 4gt how to solve it...here's the question.

Integration of 2z-4 over 5z-9 dz

help pls...

Question

hi guys...i want to ask questions about integration ...it's just a basic but i really2x 4gt how to solve it...here's the question.

Integration of 2z-4 over 5z-9 dz 

help pls...

raden · Answer

integral by subs...
let u = 5z-9 --------> z=(u+9)/5
du = 5 dz
dz = 1/5 du
so, it can be :
int (2(u+9)/5 - 4))/u * 1/5 du
simplify it ....

anonymous · Answer

thank you...let me try first...

anonymous · Answer

i got it ...thank you very much raden !!!

anonymous · Answer

i learned it last time when i was i n matric but i forgot now...hahaha

raden · Answer

well, after that the integration can be 
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