2
$\begingroup$

How does one find ${\partial y\over \partial t}$ and ${\partial^2 y\over \partial t^2}$ of a double integral $y(x,t)=\int\limits_0^t \int\limits_{x-t+\xi}^{x+t-\xi} F(\eta)\,\,\,d\eta \,\,\,d\xi$?

1 Answers 1

3

Use Leibnitz Integral Rule.