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The following control system is given U(s) E(s) 7s +12 (s+2)(+6) G() GS) At the time t=0 the input signal is utt a). Determin

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75+12 $(5+2)(8+6) open lopp transfer function (AC)) = and His)=) closed loop transfer function - (for -ve feedback) AC) 1 + H75 +12 YO! Ś (5+015+4)(8+3) het, - = $15+1)(519)5+3) 75+12 A + B +sti 5+4 st3 15+12 This > A[ sis+vis+3)(s+a)] +B[ sus+)(st333 75+12 - WLES+25+3)(8+4)] + b[ses+01+3)(8+13) + [5(5+3) (s+)) - { $$t121543) +{{sis+y)s+43] compaye the co-efficients of

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