ex.4.6 q.2, the circle whose eq. are x2 +y2 +c2=2ax and x2 +y2 +c2-2by=0 will touch another externally if

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Title: ex.4.6 q.2

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Posted On: Jan 25, 2012 08:53 AM

the circle whose eq. are x2 +y2 +c2=2ax and x2 +y2 +c2-2by=0 will touch another externally if

a. 1/b2 +1/c2 =1/a2

b. 1/b2 =1/c2 +1/a2

c. 1/a2 +1/b2 =1/c2

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KAMAL RAWAT
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rituparna chakraborty

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Jan 25, 2012 09:15 AM

Answer is c)

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KAMAL RAWAT

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Jan 26, 2012 03:49 AM

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Feb 14, 2012 11:26 AM

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