Question

For h is not equal to 0, which of the following is equivalent to A(x+h)^2-Ax^2/h

choices are
~ Ah
~ 2Ax+Ah
~Ax+Ah
~ 2Ax


Thanks :)

Answer 1

\[
\frac{A (h+x)^2-A x^2}{h}=\frac{A h^2+2 A h x}{h}=A h+2 A x
\]