(d^(2)x)/(dy^(2))" equals "

(d^(2)x)/(dy^(2)) is equal to :

If y=f(x),p=(dy)/(dx) and q=(d^(2)y)/(dx^(2)), then what is (d^(2)x)/(dy^(2)) equal to ?

If y=f(x)p=(dy)/(dx)" and q"=(d^(2)y)/(dx^(2)) . then what is (d^(2)x)/(dy^(2)) equal to ?

If y=x+e^(x) , then what is (d^(2)x)/(dy^(2)) equal to ?

If y=x+e^(x), then (d^(2)x)/(dy^(2)) is equal to

If y=e^(2x) , then (d^(2)y)/(dx^(2)).(d^(2)x)/(dy^(2)) is equal to

(d^2x)/(dy^2) equals: (1) ((d^2y)/(dx^2))^(-1) (2) -((d^2y)/(dx^2))^(-1)((dy)/(dx))^(-3) (3) ((d^2y)/(dx^2))^(-1)((dy)/(dx))^(-2) (4) -((d^2y)/(dx^2))((dy)/(dx))^(-3)