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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.

rrrrr , 12 Years ago
Grade 11
anser 1 Answers
rrrrr

note-here HM is harmonic mean

Last Activity: 12 Years ago
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