1.

If P(at^2,2at),Q(a/t^2,-2a/t)andS(a,0)be any three points,show that1/SP+1/SQ is independent of t?

Answer» If P(at^2,2at),Q(a/t^2,-2a/t)andS(a,0)be any three points,show that1/SP+1/SQ is independent of t?


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