Question

using the change of the variables u=x-y & v=x+y, evaluate the integral double integration R (x-y)e^(x^2-y^2) dA where R is the region bounded by the lines x+y=1 & x+y=3& the curves x^2-y^2=-1&x^2-y^2=1​

Answer 1

Step-by-step explanation:

using the change of the variables u=x-y & v=x+y, evaluate the integral double integration R (x-y)e^(x^2-y^2) dA where R is the region bounded by the lines x+y=1 & x+y=3& the curves x^2-y^2=-1&x^2-y^2=1