Message Boards

11561 Views

2 Replies

1 Total Likes

View groups...

Follow this post

Share this post:

GROUPS:

Mathematica Calculus Equation Solving Wolfram Language

How to solve inequality with some conditions in Mathematica?

Posted 11 years ago

Hello, everyone! I want to solve a problem like this. we have known that: (1)e^x*f(x)+f ' (x)>1, and (2) f(0)=4. How to solve inequality e^xf(x)>3e^x+1. Thanks!

POSTED BY: Peng Liu

2 Replies

Sort By:

Posted 11 years ago

Reduce[Exp f > 3 Exp + 1, f] (E^x < 0 && f < E^-x (1 + 3 E^x)) \|\| (E^x > 0 && f > E^-x (1 + 3 E^x))

POSTED BY: Mariano Gonzalez

Posted 11 years ago

Here a solution Reduce[Exp f > 3 Exp + 1, f]

POSTED BY: Mariano Gonzalez

Reply to this discussion

Reply Preview

Attachments

Remove Add a file to this post

Follow this discussion

or Discard

Feedback