Teaching DSSSB TGT Mock Test 2025 Engineering Mathematics Complex Variables Cauchy's Integral Theorem
The value of \(\int_c \frac{z^2-4}{z\left(z^2+9\right)}\)is where C is a circle |z| = 1,
1
\(\frac{-2 \pi i}{9}\)
2
\(\frac{-4 \pi i}{9}\)
3
\(\frac{-8 \pi i}{9}\)
4
none of these