15.6 chapter review

Question 1

What does the Jacobain Determinant look like?

Answer 1

Question 2

What does the Change of Variables Formula look like

Answer 2

Question 3

Then Shall we exand dxdy into somthening big??

Answer 3

It expands to the jacobian determinant*du*dv

or rather |d(x,y)/d(u,v)|=du*dv