Question

Equation of the circle touching both the co-
ordinate and passing through (-2, 1) is
1) x + y - 2x – 2y + 1 = 0 0 2
2) x² + y2 + 2x + 2y + 1 = 0 9
3) x² + y2 + 2x – 2y +1 = 0
4) x² + y2 – 2x – 2y – 1 = 0
​

Answer 1

1) -2+1+4-2+1

-1+4-1

3-1

2

2) 4+2-4+2+1

5