1. Director circle
2. Auxiliary circle
3. Circle on SS’ as diameter
4. none
Auxiliary circle
1. 4a2b2
2. a2b2
3. 4ab
4. ab
ab
1. π/6
2. π/12
3. π/2
4. π/3
π/12
1. √2
2. √3
3. 1/√3
4. 2√3
√3
1. 0,0,2
2. 0,1,2
3. -2,-1,1
4. 1,±i
-2,-1,1
1. 4x+3√3y=6
2. 4x-3√3y=6 b) 4x-3√3y=6 c) 4x-2√3y=6 d) 4x-5√3y=4
3. 4x-2√3y=6
4. 4x-5√3y=4
4x-3√3y=6
b) 4x-3√3y=6
c) 4x-2√3y=6
d) 4x-5√3y=4
1. 5x+3√2y=34√2
2. 5x+√2y=4√2
3. 5x-2√2y=34√2
4. 5x+5√2y=35√2
5x+3√2y=34√2
1. (1, 1)
2. (1, -1)
3. (-1, 1)
4. (-1, -1)
(1, 1)
1. -1,±√2
2. 0,1,2
3. -2,-1,1
4. 1,±i
-1,±√2
1. 2
2. 4
3. 6
4. 5
4