#### d3st1nyLiang

##### Premium Member

- Joined
- Jan 23, 2009

- Messages
- 513

- Gender
- Male

- HSC
- 2011

http://integrals.wolfram.com/index.jsp?expr=xe^x^k&random=false

2. How do you show that the line y = x+1 is tangent to y = e^k

and prove with a diagram the e^x-x-1 = 0 has only 1 solution

3. Solve e^t - e^-t = 2