NCERT Exercise 4.2 Q3 - Determinants

Question: Find k if the triangle area is 4 sq units and vertices are (i) (k,0),(4,0),(0,2); (ii) (-2,0),(0,4),(0,k).

Answer: (i) k=0 or 8; (ii) k=0 or 8.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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