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If `f: RvecNuu{0},` where `f` (area of triangle joining points `P(5,0),Q(8,4)a n dR(x , y)` such that angle PRQ is a right angle `=` number of triangles, then which of the following is true? `f(5)=4` (b) `f(7)=0` `f(6, 25)=2` (d) `f(x)i snot`

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RESONANCE DPP-JEE MAINS-All Questions
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