1. A.P
2. G.P
3. H.P
4. none
A.P
1. a
2. b
3. c
4. 0
c
1. 0
2. 1
3. -1
4. does not exist
0
1. a
2. b
3. c
4. 0
c
1. x2/9-y2/4=1
2. x2/16-y2/20=1
3. x2/25-y2/11=1
4. x2/16-y2/9=1
x2/16-y2/20=1
1. (x-3)2/16-(y+2)2/9=1
2. (x+2)2/25-(y-1)2/11=1
3. (x-3)2/16-(y-2)2/9=1
4. (x-3)2/16-(y-3)2/9=1
(x-3)2/16-(y+2)2/9=1
1. 0
2. 1
3. -1
4. does not exist
does not exist
1. (x-3)2/16-(y+2)2/9=1
2. (x+2)2/25-(y-2)2/9=1
3. (x-3)2/16-(y-1)2/11=1
4. (x-3)2/16-(y-3)2/19=1
(x+2)2/25-(y-2)2/9=1
1. 0
2. 1
3. -1
4. does not exist
1
1. 0
2. 1
3. -1
4. does not exist
0