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Find the equation of the circle with.centre $(-a,-b)$ and radius $\sqrt{a^{2}-b^{2}}$.
$x^2+y^2+2ax+2by+2b^2=0$
Precalculus
Chapter 11
Conic Sections
Section 1
Introduction
Introduction to Conic Sections
Piedmont College
Oregon State University
Harvey Mudd College
Utica College
Lectures
07:16
In mathematics, a continuo…
04:09
01:23
(a) find the center-radius…
01:57
Find the center and the ra…
00:57
Find an equation of the ci…
03:02
00:51
Find the center-radius for…
00:55
00:42
Find the center and radius…
01:07
State the center and radiu…
00:30
Find the equation of the c…
00:53
00:54
Determine the center and t…
00:31
Write the standard equatio…
00:39
00:58
00:34
01:55
01:51
Write an equation of the c…
00:33
And this problem, we need to understand that. A circle, right center and that's Komaki And various as hard has the equation x minus edge. Whole square Yes. Why am I not cute old square equals two. All right. In this case the center is that minus B minus B And the radius is underwrote a square minus. This is a little U squared minus risk. So let's substitute. This is x minus of minus. It becomes X plus city whole square. This is why minus of minus B becomes why let's be whole square equals two. Our square is nothing but U squared minus solving this water. This is x squared plus e square. That's two. X loss, Y squared plus B squared. Yes. To be like equal strips a square minus this. This is square. The square get canceled equation is x squared plus y squared. Yes. Two X. Yes. To be right plus to be square equals two. No.
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