1. 32
2. 1
3. 5/12
4. 10C1
5/12
1. (n + 1)Ck+1
2. nCk+1
3. nCk
4. (n +1)Ck
(n + 1)Ck+1
1. x2 + y2 =2a2
2. x2 + y2 =4a2
3. x2 + y2 =6a2
4. x2 + y2 =8a2
x2 + y2 =2a2
1. 1, 5x, 10x2
2. 1, 10x, 75cc
3. 1,10x, 65x2
4. 1,10x, 55x2
1,10x, 55x2
1. 1
2. -3
3. 3
4. 0
0
1. π/2
2. π/4
3. π/3
4. π/12
π/3
1. -3
2. 0
3. 1
4. -1
1
1. 119/10
2. 111/5
3. 119/2
4. 119
111/5
1. (-1, 1)
2. (1, -1)
3. (-1, -1)
4. (1, 1)
(1, 1)
1. (2√3)a
2. 2√3
3. (√3)a
4. 2a
(2√3)a