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If y=500e^(7x)+600e^(-7x). Show that (d^2y)/(dx^2)=49y

Answer»

SOLUTION :`y=500E^(7X)+600e^(-7x)dy/dx=7(500e^(7x))-7(600e^(-7x)),(d^2y)/dx=49(500e^(7x)+49(600e^(-7x)=49y`


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