ex.4.5 q.4, the locus of the mid pt. of a chord of the circle x2 +y2 =4,which subtend a right angle at the or

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Title: ex.4.5 q.4

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Posted On: Jan 25, 2012 08:41 AM

the locus of the mid pt. of a chord of the circle x2 +y2 =4,which subtend a right angle at the origin is:

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KAMAL RAWAT
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Answer Details:

Jan 25, 2012 08:54 AM

radius of circle=2

so length of chord=2√2

let O be origin and P be mid-point of chord

OP=sqrt(4-2)=√2

so locus is x²+y²=2

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