1. 0
2. 1
3. -1
4. 2
2
1. -4 :1
2. 3 :2
3. -2 :3
4. 1: 4
3 :2
1. 63/65
2. 36/65
3. 16/65
4. 13/64
36/65
1. x2 + y2 -6x + 6y +9 =0
2. x2 + y2 -6x - 6y +9 =0
3. x2 + y2+ 6x - 6y +9 =0
4. x2 + y2+ 6x + 6y +9 =0
x<sup>2</sup> + y<sup>2</sup> -6x + 6y +9 =0
1. (0,0)
2. (1,0)
3. (0,1)
4. (1,1)
(0,1)
1. c = 0
2. c < 0
3. c = -1
4. c > 0
c > 0
1. Both I and II are true
2. I is true, II is false
3. I is false, II is true
4. Both I and II are false
Both I and II are false
1. 2
2. 4
3. 6
4. 8
6
1. a2 - b2
2. a2 + b2
3. (a2 + b2 )2
4. (a2 - b2 )2
(a<sup>2</sup> + b<sup>2</sup> )<sup>2</sup>
1. 11√3 / 4
2. 5√3 /4
3. 5/4
4. 11/4
5√3 /4