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## #1 2013-06-13 03:35:41

{7/3}
Member
Registered: 2013-02-11
Posts: 210

### Reciprocation

Given a circle (x-1)^2+(y+1)^2=16 and a point (5,6),what will be the reciprocation line of this point?

There are 10 kinds of people in the world,people who understand binary and people who don't.

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## #2 2013-06-22 09:52:58

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,037

### Re: Reciprocation

Have you tried first finding the inverse of the point with respect to the circle?

Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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## #3 2013-06-22 12:50:00

{7/3}
Member
Registered: 2013-02-11
Posts: 210

### Re: Reciprocation

There are 10 kinds of people in the world,people who understand binary and people who don't.

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## #4 2013-06-23 11:35:28

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,037

### Re: Reciprocation

How far did you make it with the problem?

Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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## #5 2013-06-23 13:10:45

{7/3}
Member
Registered: 2013-02-11
Posts: 210

### Re: Reciprocation

Sorry,I won't be able to work on it for the next 9 hours,But i'll let you know what i get.

There are 10 kinds of people in the world,people who understand binary and people who don't.

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## #6 2013-06-23 17:27:23

{7/3}
Member
Registered: 2013-02-11
Posts: 210

### Re: Reciprocation

Hi,if my calculations are correct then the inversion point is (129/65,47/65)
EDIT:the problem isn't as hard as i thaught,i am getting the line 4x+7y+13=0,is it correct?

Last edited by {7/3} (2013-06-23 17:52:26)

There are 10 kinds of people in the world,people who understand binary and people who don't.

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## #7 2013-06-23 23:47:26

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,037

### Re: Reciprocation

Everything is correct except it should be -13 in the line equation. Good job!

Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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## #8 2013-06-24 00:10:01

{7/3}
Member
Registered: 2013-02-11
Posts: 210

### Re: Reciprocation

Oh,yeah,thanks.

There are 10 kinds of people in the world,people who understand binary and people who don't.

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## #9 2013-06-24 00:10:34

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,037

### Re: Reciprocation

You're welcome.

Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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