Answer:
N
F= -2y² ↑ +32²; + xx
Curl = î x=-6zi-j + by k 1-2y2 372 x
ди
2
Pera motarize the surface of pline: x=M
y = v 6-24-3v= 2= 4 j
A
ds=(ru xv) du dv=
du dv
д
2
о
du
→Stoke's theorem: = √({21 +34 + 25x) dud dv
= √((-32 = 2 + by) du dv =
= SS [³ ( + - + -2x) - 2 + bx] du dv