1. on a parabola
2. concylic
3. collinear
4. the vertices
collinear
1. -2sin(α + β)
2. -2cos(α + β)
3. 2sin(α + β)
4. 2cos(α + β)
-2cos(α + β)
1. -1
2. 0
3. 1
4. 2i
1
1. (x – b)(y – a) = 0
2. (x – a)(y + b) = 0
3. (x – a)(y – b) = 0
4. (x + a)(y – b) = 0
(x – a)(y – b) = 0
1. (-3, -1)
2. (-1, -3)
3. (3, -1)
4. (1, 3)
(-3, -1)
1. (10, √3)
2. (√3, 10)
3. (√10, 3)
4. (3, (√10)
(√10, 3)
1. 12m2 + 7m – 12 = 0
2. 16m2 – 24m + 9=0
3. 12 m2 – 7m – 12=0
4. 9m2 + 24m + 16 =0
12 m2 – 7m – 12=0
1. 1
2. 2
3. 3
4. 4
3
1. 1
2. 2
3. 3
4. 4
4
1. x + 3y + 9 =0
2. 3x – y + 4=0
3. x + 9y – 4 =0
4. 3x – y- 1 =0
3x – y + 4=0