" Q.11.If "y=x^(3)+tan x" then find the value of "(d^(2)y)/(dx^(2))

If x=a(cos theta+log(tan((theta)/(2))) and y=a sin theta then find the value of (d^(2)y)/(dx^(2)) at theta=(pi)/(4)

If y=sinx log("tan"(x)/(2)) then the value of (d^(2)y)/(dx^(2))+y is -

If y=(1)/(1+x+x^(2)+x^(3)) , then the value of (d^(2)y)/(dx^(2)) at x=0 is -

If y=x^(3)+tan x then find (d^(2)y)/(dx^(2))

If y=log tan((pi)/(4)+(x)/(2)), show that (dy)/(dx)=sec x. Also find the value of (d^(2)y)/(dx^(2)) at x=(pi)/(4)

If y^(2)=P(x) is a polynomial of degree 3 then find the value of (d)/(dx)(y^(3)((d^(2)y)/(dx^(2))))

if y=ae^(x)+be^(-3x)+c , then the value of ((d^(3)y)/(dx^(3))+2(d^(2)y)/(dx^(2)))/((dy)/(dx)) is

if y=ae^(x)+be^(-3x)+c , then the value of ((d^(3)y)/(dx^(3))+2(d^(2)y)/(dx^(2)))/((dy)/(dx)) is

If y=x^(3)+tan x, show that (d^(2)y)/(dx^(2))=6x+2sec^(2)tan x