Question

What does f^(2) (x) mean?

Answer 1

Second derivative of f

Answer 2

Thanks! :)

Answer 3

yw

Answer 4

\[\rm \large\rm \frac{ d^2y }{ dx^2 } =y'' = 2nd ~derivative \]
other common notations

Answer 5

Also, \(D^2\).

Answer 6

f^2(x) means [f(x)]^2 or f(x) squared, so you are asked to compute
[3cos x - sin x]^2

Answer 7

Thank you all :)