Question

if y =
${e}^{x} - {e}^{ - x}$
then
$\frac{dy}{dx} - \sqrt{ {y}^{2} - 4 }$
is equal to
​

Answer 1

Answer:

=ex−e−x

and y2=e2x+e−2x+2

y2−4=e2x+e−2x−2

y2−4=∣ex−e−x∣

and we know that for x>0y2−4=ex−e−x=dxdy

and for x<0y2−4=−(ex−e−x)=dx−dy

Answer 2

Answer:

1. Your answer is ....
2. its your answer