1. 20
2. 0
3. 21
4. 22
21
1. u
2. v
3. w
4. x
x
1. The minimum possible value of a2 + b2 + c2 + d2 is 4m2– 2m + 1
2. The minimum possible value of a2 + b2 + c2 + d2 is 4m2 + 2m + 1
3. The maximum possible value of a2 + b2 + c2 + d2 is 4m2 - 2m + 1
4. The maximum possible value of a2 + b 2 + c2 + d2 is 4m2 + 2m + 1
The minimum possible value of a2 + b2 + c2 + d2 is 4m2 + 2m + 1
1. 0
2. 1
3. 2
4. 3
2
1. 20
2. 28
3. 36
4. 40
28
1. 60
2. 40
3. 30
4. 20
30
1. 60
2. 45
3. 90
4. 105
105
1. 5
2. 7
3. 13
4. 14
13
1. 12
2. 11
3. 10
4. 9
12
1. The two curves intersect once
2. The two curves intersect twice
3. The two curves do not intersect
4. The two curves intersect thrice
The two curves intersect thrice