(t'+t+1) u(t-1) ond Sels O fCE)= (2tm1urt-2). F(t)%3D[2(t-2)+3]u(t-2) = 2 (t )2) and. FCS).=2. e+3 f. 2t-1=2(t-2).+3 Not -25 -25 -25 = e (2 52 How did he get the value inside the red circle go

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