Ask Your Question
0

solving a simple equation

asked 2013-03-01 08:13:46 -0500

czsan gravatar image

Is there a method to solve the equation x + x^(1/3) == -2 ?

edit retag flag offensive close merge delete

1 answer

Sort by ยป oldest newest most voted
0

answered 2013-03-01 08:43:54 -0500

calc314 gravatar image

Here is a numerical approach. I've not been able to get it symbolically.

show(plot(x+ x/abs(x)* abs(x)^(1/3)+2,(x,-5,5)))
find_root(x+ x/abs(x)* abs(x)^(1/3)+2,-2,-1/2)
edit flag offensive delete link more

Comments

Yes, this is right. This equation unsolvable in maple too, because of the third root of negativ numbers. But in Maple there is a surd function, which helps.

czsan gravatar imageczsan ( 2013-03-01 08:55:42 -0500 )edit

Your Answer

Please start posting anonymously - your entry will be published after you log in or create a new account.

Add Answer

Question Tools

Stats

Asked: 2013-03-01 08:13:46 -0500

Seen: 75 times

Last updated: Mar 01 '13