Evaluate int(9e^(9t))/(e^(18t)+11e^(9t)+18)dt∫9e9te18t+11e9t+18dt?
2 Answers
See below
Explanation:
Intuition make that we try the change
Now factorize
We found
And then
We can re-arrange applying logarithm laws
Explanation:
Observe that,
So, let,
Enjoy Maths.!