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Grade 11Analytical Geometry

a variable straight line through thre point P (1 ,2) cuts the axis at point A and B respectively. Q is a piont on AB such that PQ is HM of PA and PB then prove locus of Q is the line y=2x.

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12 Years agoGrade 11
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Profile image of rrrrr
12 Years ago

note-here HM is harmonic mean