1. 2ac/ c2-a2
2. 2ac/a2+b2
3. c2-a2/b2+a2
4. b/a
c2-a2/b2+a2
1. 0
2. 1
3. 1/2
4. 2
1
1. c+a/c-a
2. 2b/c+a
3. c-a/c+a
4. none
c-a/c+a
1. - 16
2. -4
3. 4
4. 16
16
1. 119/120
2. 5/12
3. 120/169
4. 12/5
120/169
1. (16,8)
2. (16, -8)
3. (-16, 8)
4. (-16, 8)
(16,8)
1. 2ac/a2-c2
2. 2ac/c2-a2
3. 2ac/a2+c2
4. none
2ac/a2-c2
1. θ=nπ+(-1)n+1π/3,θ=nπ, n ε Z
2. θ=nπ, n ε Z
3. θ=nπ+(-1)n+1π/3,n ε Z
4. θ= nπ/2, n ε Z
θ=nπ, n ε Z
1. A
2. 4a
3. Semilatus rectum
4. None
Semilatus rectum
1. X + 9 = 0
2. Y + 9 = 0
3. Y – 9 = 0
4. X – 9 = 0
X – 9 = 0