1. 9m2 + 24m +16 =0
2. 12m2 – 7m – 12=0
3. 16m2 -24m +9=0
4. 12m2 + 7m – 12=0
12m2 – 7m – 12=0
1. x2 + y2– 4x – 4y + 4=0
2. x2+ y2– 2x – 2y =0
3. x2 + y2– 2x – 2y + 1=0
4. x2 + y2– 4x – 4y =0
x2 + y2– 2x – 2y + 1=0
1. -5/3
2. 3/2
3. -3/5
4. -2/5
-2/5
1. 1
2. 4
3. 3
4. Infinite
4
1. 2√5
2. 12
3. 21
4. 4√5
21
1. x2 + y2 =a cos α/2
2. x2 + y2 = a2 cos α/2
3. x2 + y2 = a2 cos2 α/2
4. x2 + y2 = cos2 α/2
x2 + y2 = a2 cos2 α/2
1. -4
2. 4
3. -6
4. 6
4
1. 4
2. 2
3. 1
4. 8
4
1. √(a2-k2 )
2. √(a2+k2)
3. √(k2-a2)
4. a2 – k2
√(a2-k2 )
1. 4
2. 3
3. 2
4. 1
1