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Find the number of positive roots to x^6 - x^3 + 6 = 0.

 Nov 13, 2019
 #1
avatar+108784 
+1

Try substituting

y=x^3

and then soving for y

what do you find?

 

This is a TEACHING answer.

Other ANSWERERS .... please do not override it.

 Nov 13, 2019
edited by Melody  Nov 13, 2019
edited by Melody  Nov 13, 2019
 #2
avatar+1694 
+1

Can I add a hint- different way?

tommarvoloriddle  Nov 13, 2019
 #3
avatar+108784 
0

Yes certainly Tom, 

Just try not to trivialise the answer for guest.

Most people learn nothing if they are not forced to think a little for themselves.

Melody  Nov 13, 2019

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