Find the centre and radius of each of the following circles : (i) ` (x

1.	Find the centre and radius of each of the following circles : (i) ` (x - 3)^(2) + (y- 1) ^(2) = 9` (ii) ` (x - (1)/(2) ) ^(2) + ( y + (1)/(3) ) ^(2) = (1)/(16)` (iii) ` (x + 5) ^(2) + ( y- 3 ) ^(2) = 20` (iv)` x ^(2) + (y- 1 ) ^(2) = 2 `
Answer» Correct Answer - (i) Centre ` (3, 1 )`, radius = 3 (ii) Centre ` ((1)/(2), (-1)/(3))`, radius `= (1)/(4)` (iii) Centre ` (-5, 3 )` , radius = ` 2sqr5` (iv) Centre `(0, 1 )`, radius `= sqrt 2`

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