JEE Mains Model Paper 18

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Question : 65 of 90

Marks: +1, -0

A circle cuts the rectangular hyperbola xy = c2 in the points (xr,yr); r = 1, 2, 3, 4 then.........

x1.x2.x3.x4 = c4 = y1.y2.y3.y4
x1+x2+x3+x4 = 1 = y1+y2+y3+y4
x1.x2.x3.x4 = 0 = c4 = y1.y2.y3.y4
None of these

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