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Question

If the intercept made by the line between the axes is bisected at the point (x1,y1), then its equation is


A
xx1+yy1=2
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B
xx1+yy1=1
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C
xx1+yy1=12
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D
none of these
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Solution

The correct option is A xx1+yy1=2


Let the equation be xa+yb=1
the line is bisected at the point (x1, y1)
(a2, b2)=(x1, y1)

a=2x1 b=2y1

Required equation is

x2x1+yy1=1

xx1+yy1=2


1372390_1168981_ans_46ac8a5dafff441ab08d7d1b5f2a20dc.png

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