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Automatic Control Systems - Engineering

Q1:

In the given figure x6 =

A de(ax1 + bx2 + cx3)

B (a + b + c) (x1 + x2 + x3) (d + e)

C (ax1 + bx2 + cx3) (d + e)

D a b c d e (x1 + x2 + x3)

ANS:A - de(ax1 + bx2 + cx3)

The input x1 is multiplied by a, x2, by b and x3 by c. The sum total is multiplied by d and e.