Theforces in four members ofa framework areF,F2 ,F3 and F4. They are related by the simultaneousequations shown below. Find the values of F, ,F, ,F, and Fusing:a) Cramer's Rule (4x4 determinants can be computeddirectly)b) Gauss Elimination andc) Gauss Jordan EliminationF -3F, + 2F3 - F = 4-F-6F, + 4F, + F, = 8F +4F,- F,- 2F, = 12-6F, + 2F, + F, + 5F, = 2

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The forces in four members of a framework are F1,F2 ,F, and F4. They are related by the simultaneous equations shown below. Find the values of F, ,F, ,F, and F4 using: a) Cramer's Rule (4x4 determinants can be computed directly) b) Gauss Elimination and c) Gauss Jordan Elimination F -3F, + 2F, - F = 4 -F, - 6F, + 4F, +F, = 8 F, + 4F,- F,-2F, = 12 %3D -6F, +2F, + F, +5F, = 2