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a) Problem 1. For the 4-bar planar truss structure shown below: E.A 1 T EA E,2A L 3 E.A B 21 L 300 Hand

a) Problem 1. For the 4-bar planar truss structure shown below: E.A 1 T EA E,2A L 3 E.A B 21 L 300 Hand calculate the global set of equations [K]{d}={P}.

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