A {{CMD_347}}differential equation{{CMD_348}}{{CMD_349}} is simply an equation with a derivative in it. Here is an example: {{MATH_350}} {{CMD_351}} Which one is a differential equation? {{CMD_352}} {{CMD_353}}{{MATH_354}}{{CMD_355}} {{CMD_356}}{{MATH_357}}{{CMD_358}} {{CMD_359}}{{MATH_360}}{{CMD_361}} {{CMD_362}} {{CMD_363}}