1 . x2+y2-4x+5y+9=0

• A. $r^2+r\left(5\sin \theta +4\cos \theta \right)+9=0$
• B. $r^2+r\left(5\sin \theta -4\cos \theta \right)+9=0$
• C. $r^2-r\left(5\sin \theta +4\cos \theta \right)+9=0$
• D. $r^2-r\left(5\sin \theta -4\cos \theta \right)+9=0$

Answer: Option D

Explanation: