AP EAPCET 18th May 2023 Shift 1 Solved Paper

Section: Mathematics
© examsiri.com
Question : 54 of 160
 
Marks: +1, -0
If the circles x2+y2−4x+2fy+1=0 and x2+y2+2gx−4y−1=0 cut orthogonally, then r12+r22−8=
Go to Question: