Question

Integration problem, confused on where to start.

http://tnypic.net/c1074.jpg

Answer 1

RHS is fine, however the LHS is just confusing to me.

Answer 2

Hint:\[\int \frac{dx}{a-bx}=-\frac{1}{b}\ln|a-bx|+C\]

Answer 3

let, 12.77-0.12T = u, du=-0.12dT

Answer 4

Then the usual process as mentioned above !!