i2(a-b)=2(b-a)π=2(b-a)π Let b=1, a=0==2(1-0)π=2π And 1-cos(2x)=1-[1-2sin2(x)]=2sin2(x). =π and = Eg. Evaluate . (Sol.) Poles: 1 and -1 (on the real axis), ==== ==== = =πi∙{+} =πi∙=π∙ =, = or Case 4 Choose as a sector with angle enclosing only one pole at or a sector with angle C enclosing no poles.
i2(a-b)=2(b-a)π=2(b-a)π Let b=1, a=0==2(1-0)π=2π And 1-cos(2x)=1-[1-2sin2(x)]=2sin2(x). =π and = Eg. Evaluate . (Sol.) Poles: 1 and -1 (on the real axis), ==== ==== = =πi∙{+} =πi∙=π∙ =, = Case 4 or Choose C as a sector with angle enclosing only one pole at or a sector with angle enclosing no poles.
2016Complex2.docx