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Analytical Geometry

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5 Sep 2011 13:12:40 IST

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straight lines

Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Analytical Geometry

if coordinates of a variable point P is(a cos alpha,b sin alpha) where alpha is a variable quantity find locus of P.?

ANS. IS x²/a+y²/b=1

plz explain hw?

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hemang

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Joined: 27 Dec 2010

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7 Sep 2011 11:38:27 IST

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which implies that ....(1)

which implies that ......(2)

squaring and adding (1) and (2) we get,

= 1

vidya krishnamoorthy

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Joined: 8 Sep 2011

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8 Sep 2011 15:55:54 IST

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which implies that ....(1) which implies that ......(2)squaring and adding (1) and (2) we get, = 1

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