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Maths help

ted9308 · 2010-09-20 17:18:11

Anyone able to do the following question and explain the method that they use?..Show that the circle x^2+y^2 - 2rx -2ry +r^2 =0 has radius r and has the x and y axes as tangents..find the equations of the 2 circles which contain the point (1,2) and have the x and y axes as tangents..cheers:D

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20-09-2010 6:18pm

#1

ted9308

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Anyone able to do the following question and explain the method that they use?..Show that the circle x^2+y^2 - 2rx -2ry +r^2 =0 has radius r and has the x and y axes as tangents..find the equations of the 2 circles which contain the point (1,2) and have the x and y axes as tangents..cheers:D

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#2 20-09-2010 7:18pm
MathsNerd31

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Solution attached.

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#3 21-09-2010 12:13am
math

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Hi like the pdf file did you make it up in adobe reader ?

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#4 21-09-2010 8:46am
MathsNerd31

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It's just a Word document saved as a pdf.

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#5 21-09-2010 4:21pm
math

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thank you

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