If `y=e^(-x) cos x` and `y_n+k_ny=0` where `yn=(d^ny)/(dx^n)` and `k_n` are constant `n in N` then

If y=e^(-x)cos x and y_(n)+k_(n)y=0 where yn=(d^(n)y)/(dx^(n)) and k_(n) are constant n in N then

If y=e^(-x)cos xandy_(n)+k_(n)y=0, wherey _(n)=(d^(n)y)/(dx^(n)) andk are constants AA n in N, then (a)k_(4)=4 (b) k_(8)=-16 (c) k_(12)=20 (d) k_(16)=-24

If y=a sin (bx+c), then y_n =

If x ^(n) y^(n) =( x+y ) ^(n),then (dy)/(dx)=

If x^(n) y^(n) =(x+y) ^(n),then (dy)/(dx)=

if y=x^(n) then find the value of (d^(y))/(dx^(n))

If y=| a^(2) a 1 (cos x)/(cos n)(x+1) cos n(x+1)+c (dy)/(dx)=

If y=| a^(2) a 1 (cos x)/(cos n)(x+1) cos n(x-1)+c (dy)/(dx)=

If y=A e^(m x)+B e^(n x) , show that (d^2y)/(dx^2)-(m+n)(dy)/(dx)+m n y=0

If y=| a^(2) a 1 cos x cos n(x+1)cos n(x+2) (dy)/(dx)=