Posted by
**samantha** on
.

Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation

-5r^(4)+6r^(3)+9r-15=0

Tuesday

March 28, 2017
Posted by
**samantha** on
.

Use Descarte's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation

-5r^(4)+6r^(3)+9r-15=0

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