1. x2/a2-y2/b2 +xe/a=0
2. x2/a2+y2/b2 +xe/a=0
3. x2/a2-y2/b2 -xe/a=0
4. x2/a2+y2/b2 -xe/a=0
x2/a2-y2/b2 -xe/a=0
1. x2/a2-y2/b2 x/b=0
2. x2/a2-y2/b2 -x/a=0
3. x2/a2-y2/b2 +x/a=0
4. x2/a2+y2/b2 +x/a=0
x2/a2-y2/b2 +x/a=0
1. (x2/a2+y2/b2)2= x2/a2-y2/b2
2. (x2/a2-y2/b2)2= x2/a2+y2/b2
3. (x2/a2+y2/b2)2= x2/a2+y2/b2
4. (x2/a2-y2/b2)2= x2/a2-y2/b2
(x2/a2+y2/b2)2= x2/a2-y2/b2
1. (x2+y2)2=a2(x2-y2)
2. (x2+y2)2=a2(x2+y2)
3. a2 (x2+y2)2= (x2-y2)
4. a2 (x2-y2)2= (x2+y2)
(x2+y2)2=a2(x2+y2)
1. (x2/a2+y2/b2)2=x2+y2/a2
2. (x2/a2-y2/b2)2=x2+y2/a2
3. (x2/a2-y2/b2)2=x2-y2/a2
4. (x2/a2-y2/b2)2=x2+y2/a2
(x2/a2-y2/b2)2=x2+y2/a2
1. A.P
2. G.P
3. H.P
4. none
A.P
1. A.P
2. G.P
3. H.P
4. none
A.P
1. 73
2. 81
3. 84
4. 78
81
1. 3x-y+5=0, x-y+1=0
2. 3x+y+5=0, x+y+1=0
3. 3x-y-5=0, x-y-1=0
4. 3x+y-5=0, x+y-1=0
3x-y+5=0, x-y+1=0
1. 2
2. 4
3. 3
4. -1
4