Question

find radius and centre x² + y²-ax-by = 0​

Answer 1

Answer:

radius is( a²+b²/4)½

centre (a/2, b/2)

Step-by-step explanation:

x²-ax + y²-by = 0

complete the square

(x-a/2)²+(y-b/2)² = a²+b²/4