engineering recuitment GATE ECE 2023-24 Test Series Engineering Mathematics Calculus Vector Calculus
Find \(\mathop \oint \limits_c [ \left( {2y + \frac{{{y^2}}}{2}} \right)dx + \left( {{y^2} + xy} \right)dy]\)
where c is a circle \({x^2} + {y^2} = 1\)
1
4π
2
-2 π
3
3 π
4
-π