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[Post New] 25 Jul 2007 17:27:41 IST
   Subject: circles
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tejas a (5)

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  prove that the circles x2+y2-2x+6y+6=0  and  x2+y2-5x+6y+15=0  touch each other internally
tejas
    
[Post New] 25 Jul 2007 17:45:48 IST
   Subject: Re:circles
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delhitushar (134)

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in simple way
 
calculte the distance between thw centres of two circles  which  comes out to be less the the radius of both
centre of radius u can find and thn using distance formula.
i think no need for complete soln




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[Post New] 26 Jul 2007 10:16:50 IST
   Subject: Re:circles
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manasa kanchiraju (2)

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The condition for the cirlces to touch internally is that
 
"the distance between the centres of the two circles should be equal to the differnce between their radii" 
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[Post New] 26 Jul 2007 12:07:45 IST
   Subject: Re:circles
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Mukesh Pal (19)

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