posted by casey .
I have solved the following and I am writing just their answers with it, please let me know if these are correct. thanks
1. Simplify, and write in the base of 3: (9^x . 3^4x)^2
2. Differentiate and simplify
y= (e^x - 1) / x^2
answer: (xe^x - 2e^x +2) / x^3