모두CBT
<보기> F(s)F(s)F(s)의 역변환 f(t)f(t)f(t)로 옳은 것은?F(s)=5s2+8s+2(s+1)(s+2)(s+3)F(s)=\frac{5s^2+8s+2}{(s+1)(s+2)(s+3)}F(s)=(s+1)(s+2)(s+3)5s2+8s+2
[−e−t−2e−2t+3e−3t]u(t)[-e^{-t}-2e^{-2t}+3e^{-3t}]u(t)[−e−t−2e−2t+3e−3t]u(t)
[−0.5e−t−3e−2t+12.5e−3t]u(t)[-0.5e^{-t}-3e^{-2t}+12.5e^{-3t}]u(t)[−0.5e−t−3e−2t+12.5e−3t]u(t)
[−0.5e−t−6e−2t+11.5e−3t]u(t)[-0.5e^{-t}-6e^{-2t}+11.5e^{-3t}]u(t)[−0.5e−t−6e−2t+11.5e−3t]u(t)
[−0.5e−t−2e−2t+5e−3t]u(t)[-0.5e^{-t}-2e^{-2t}+5e^{-3t}]u(t)[−0.5e−t−2e−2t+5e−3t]u(t)
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