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Ask experts Expert Question: Circles----plz ans fast...
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Ananth Patri (595)

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Find the equation of circle which bisects the circumference of the circles x2+y2=1 ; x2+y2+2x=3 ; x2+y2+2y=3.....plz answer quickly with procedure ....i willl definetly give many rates to those who give correct answer.....
 
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Ananth Patri (595)

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nonne to answer this question????somebody plzzz answer time is running out.......plz relpy fast..........try to solve this question .....

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rini s (199)

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The centre of the required circle is the radial centre of the three given circles...

and the radius will be length of tangent from this point to any of the given circles..

Keep working....................Iam comming..

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Ananth Patri (595)

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i have tried tht way rini ...we get the radical centre as (1,1) but in the answer...the centre of circle is (-2,-2) and radius is 3....i am not gettin it.....plz help me.......u plz solve and show ......

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Ananth Patri (595)

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will anybody plz asnwer........i am waitin from an hour.....plz reply somebody help..........

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Ananth Patri (595)

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somebody help.....it so seems no one knows to solve this prob????where are the experts?????no one can solve and tell the procedure to solve the question?????plz help ,......

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Shank ann (0)

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i find this question to be a good one can anyone help ananth_patri .......
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ashwin sridhar (184)

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ok so u have 
 x2+y2=1  ----------------1
x2+y2+2x=3 ; ------------2
x2+y2+2y=3----------------3
 as the eq of 3 circles
let the given circle be
 x2+y2 + 2gx + 2fy +c=0 ---------4
4-1 we get the eq of the diameter of circle1
2gx+2fy+c+1=0
the diameter passes through its center (0,0)
so 0+0+c+1=0
[c=-1]
 
simlarly
4-2
2gx+2fy-1 -2x+3=0
passes through (-1,0)
-2g-1+2+3=0
[g=2]
 
again
4-3
4x+2fy-1-2y+3=0
passes through (0,-1)
-2f-1+2+3=0
[f=2]
 
hence the eq of the circle is
 
x2+y2 +4x+4y-1=0
 
 
hope my caculations are right, but the methord is correct.
plz correct me if wrong
 

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Ananth Patri (595)

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U R PERFECTLY RIGHT ASHWIN THANKKKKKYOUUU VERY MUCH..........IT NEVER OCCURED TO ME TO DO BY COMMON CHORD(DIAMETRE HERE ).......THANXXX

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Shank ann (0)

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i agreee with your answer a5hw1n_5 good job....take my rate...
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