e2z | e2z | |||
Obliczyc calke ∮C+ ( | + | )dz, gdzie | ||
(z2+4)2 | z+4 |
−π | π | |||
C1 = {z(t) = −2 + 5eit, t∊[ | , | ], C2 = {z(t) = −2+it, t∊[−5, 5]}, | ||
2 | 2 |
e2z | e2z | |||
f(z) = | + | |||
(z2+4)2 | z+4 |
1 | 1 | 1 | 1 | |||||
∮Cf(z) = 2πi ( (− | −i | )e4i + (− | +i | )e4i ) | ||||
8 | 32 | 8 | 32 |
1 | ||
∮Cf(z) = − | i π ( 4 cos(4) − sin(4) ) | |
8 |