1.L(tcoskt)=_________(Re(s)>0) A: [img=75x50]180332c4263d0f2.png[/img] B: [img=75x50]180332c42e14613.png[/img] C: [img=75x48]180332c4367a6f6.png[/img] D: [img=75x48]180332c43f300b7.png[/img]
1.L(tcoskt)=_________(Re(s)>0) A: [img=75x50]180332c4263d0f2.png[/img] B: [img=75x50]180332c42e14613.png[/img] C: [img=75x48]180332c4367a6f6.png[/img] D: [img=75x48]180332c43f300b7.png[/img]
1