Teaching DSSSB TGT Mock Test 2025 Engineering Mathematics Complex Variables Cauchy's Integral Theorem
The value of \(\mathop \smallint \limits_D \frac{{{z^{2}~+~5}}}{{{{\left( {z ~+ ~1} \right)}^3}}}~dz\) where D is the circle | D | = 2 is
1
πi
2
2πi
3
4πi
4
3πi