Diff

Diff[ expr, var ] returns the derivative of an expression with respect to a variable.

Usages

Diff[ expr, var ] returns the derivative of expr with respect to var.

Example	in	rendered	reduced
The derivative of `a x^2` with respect to `x`.	`Diff[ a x^2, x ]`	`( a x^2 )'`	`2a x`

Diff[ expr, var, n ] returns the n-th derivative of expr with respect to var.

Example	in	rendered	reduced
The second derivative of `x^3` with respect to `x`.	`Diff[ x^3, x, 2 ]`	`( x^3 )''`	`6x`