A line cuts the x-axis at A (7, 0) and t...

A line cuts the x-axis at `A (7, 0)` and the y-axis at `B(0, - 5)` A variable line PQ is drawn perpendicular to AB cutting the x-axis in P and the y-axis in Q. If AQ and BP intersect at R, find the locus of R.

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The correct Answer is:

`x^(2)+y^(2)-7x+5y=0`

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