FACULTY OF ENGINEERING & INFORMATION TECHNOLOGY

DEPARTMENT OF TCE

QUESTION NO$.1$:

$(14$ POINTS$)$

A$.[10$pt$]$ If $\frac{?}{\text{b}\text{a}\text{r}}(A)=(2+si{n}^2)a_{}+2sincos{a}_{}+2z^2{a}_z,$ evaluate $o\frac{{\displaystyle \underset{l}{\overset{}{}}}}{b}ar(A)*\frac{d}{b}ar(l)$ around the path shown in the figure below.

B$.[4$pt$]$ Confirm your result by using Stokes Theorem.