1. equilateral
2. right angled
3. isosceles
4. none
right angled
1. x2+4y2=4a2
2. x2-4y2=4a2
3. 4x2+y2=4a2
4. 4x2-y2=4a2
4x2+y2=4a2
1. 12x2-y2=3a2
2. 12x2-3y2=a2
3. 4x2+y2=3a2
4. 12x2+3y2=a2
4x2+y2=3a2
1. x2/a4+y2/b4=1/a2
2. x2/a4-y2/b4=1/a2
3. x2/a2+y2/b2=1/a2
4. x/a4-y/b4=1/a2
x2/a4+y2/b4=1/a2
1. x2/a4+y2/b4=1/a2-b2
2. x2/a4-y2/b4=1/a2-b2
3. x2/a4+y2/b4=1/a2+b2
4. x2/a4-y2/b4=1/a2+b2
x2/a4+y2/b4=1/a2-b2
1. -1
2. 0
3. 1
4. 2
0
1. a3y3+b4x=0
2. a2y2+b2x=0
3. a3y2+b4x=0
4. a3y2-b4x=0
a3y2+b4x=0
1. α2 x2/a4+ β2 y2/b4=1
2. α2 x2/a4-β2 y2/b4=1
3. α2 x2/a4+ α2 y2/b4=1
4. α2 x2/a2+ β2 y2/b2=1
α2 x2/a4+ β2 y2/b4=1
1. 4p2x2+b2y2=4p2a2
2. 4p2x2-b2y2=4p2a2
3. 4p2x2+b2y2=4p2b2
4. 4q2x2-b2y2=4q2a2
4p2x2+b2y2=4p2a2
1. x2/a4-y2/b4=1/a2+1/b2
2. x2/a4-y2/b4=1/a2-1/b2
3. x2/a4-y2/b4=1/a2+1/b2
4. x2/a4-y2/b4=1/a2-1/b2
x2/a4-y2/b4=1/a2+1/b2