f.) Solve for Ā + B + C + D. Hint: Ā + B + C = (A, + Bx + Cx)î + (Ay + By + Cy)f %3D g.) Solve for |Â + B + Ĉ + D]. Hint: |Ã + B + C| = J(Ax + Bx + Cx)² + (Ay + By + Cy)" %3D h.) Solve for Ā + B - C - D. Hint: A + B-C = (Ax + Bx- Cx)E + (Ay + By- Cy)j 1 1 i.) Solve for |A + B-C- D.
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