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parwana
Sep4-04, 08:01 PM
For what values of r does the function y= e^(rt) satisfy the differential equation y'' + y' - 6y=0

Tide
Sep4-04, 08:18 PM
Find the first derivative of of y(t) and its second derivative then use those values in the differential equation. The rest should be obvious!

Zurtex
Sep4-04, 09:09 PM
Remember that e^(rt) can never equal 0.