If a variable line drawn through the intersection of the lines 3x+4y=1 and 4x+3y=1 , meets the coordinate axes at A and B, (A=B),then the locus of the midpoint of AB is:
Held on 9 Apr 2016 · Verified 6 Jul 2026.
7xy=6(x+y)
4(x+y)2−28(x+y)+49=0
6xy=7(x+y)
14(x+y)2−97(x+y)+168=0
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