(#1)

calculate surface Integral

F = (x+z, z², 1-x)

50, M=x+Z

N = Z²

P = 7 - X

S: surface is given by

the graph of f(x,x) = x² - y²

-1≤x≤1

-1≤Y≤1

The normal vector is pointing

toward the z-axis.

Show all the work. except

when you calculate the double

integral you can use computer

see the picture of 5: