Answer:

Step-by-step explanation:
The equation of a circle is given by:

Where (h, k) is the center and r is the radius.
The center of the circle is (1, -4).
And the radius is 3.
Substitute:

Simplify. Thus, our equation is:

It is 2i I standing for imaginary since it is a negative
square root of -1×4
4 square rooted is 2
and a negative number square rooted is i
Answer:
can u rewrite the questions
Step-by-step explanation:
<span>Maybe xy is also given ........................</span>
(a^3b)^2 • 4ab^3
a^6b • 4ab^3
4a^6b+1b^3