Question

if y=e^-kt cos(lt+c) show that d^y/dt^2+2k dy/dt+n^2y=0 where n^2=k^2+l^2?​

Answer 1

4sin^3x-6sin^2x+12sinx+100 is increasing inclosed interval -

4sin^3x-6sin^2x+12sinx+100 is increasing inclosed interval -

Answer 2

Step-by-step explanation:

the derivative dy by dx is in general another function of x which can be differentiated