for what values of r does the function e^rx satisfy the differential equation y"+5y'-6y=0?
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Originally Posted by pageraets for what values of r does the function e^rx satisfy the differential equation y"+5y'-6y=0? try the solution $\displaystyle y = e^{rt}$ thus we obtain the characteristic equation: $\displaystyle r^2 + 5r - 6 = 0$ now, simply solve for $\displaystyle r$
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