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(a) Consider the system i = Ax + bu where 1-1::) and b = (b1 b2). Derive a necessary and sufficient condition on the matrix b

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O A A = 6 BE br Condition for contri labicity is - (3 no] ac = racto A B E [:-] (b bi by o- bz [ = [-by bito , бс — oc=($. -b

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