coordinate

Question: If the vertices of a triangle be $(am_{1}^{2},2a{{m}_{1}}),\,(am_{2}^{2},2a{{m}_{2}})$ and $(am_{3}^{2},2a{{m}_{3}}),$ then the area of the triangle is



1) $a({{m}_{2}}-{{m}_{3}})({{m}_{3}}-{{m}_{1}})({{m}_{1}}-{{m}_{2}})$
2) $({{m}_{2}}-{{m}_{3}})({{m}_{3}}-{{m}_{1}})({{m}_{1}}-{{m}_{2}})$
3) ${{a}^{2}}({{m}_{2}}-{{m}_{3}})({{m}_{3}}-{{m}_{1}})({{m}_{1}}-{{m}_{2}})$
4) None of these
Solution: Explanation: No Explanation
Points related to triangle (Orthocente Circumcentre Incentre) Area of some geometrical figures Collinearity

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