1. 2
2. 4
3. 6
4. 1
1
1. 4
2. 3
3. 2
4. 6
4
1. 4
2. 5
3. 2
4. 3
4
1. j
2. k
3. l
4. m
j
1. j
2. k
3. l
4. m
m
1. log [n(n~l) /m(n+1YZ
2. log [mm/nnf2
3. log [m(1-n)/n(1-m)]n/2
4. log [m(n+1)/n(n-1)]n/2
log [m(n+1)/n(n-1)]n/2
1. 20
2. 23
3. 25 < x < 64
4. 28 < x < 60
28 < x < 60
1. 1
2. 1
3. 1
4. 1 ≤x ≤4
1<x≤5
1. 2
2. 13
3. 6
4. 4
6
1. 8
2. 13
3. l6
4. 9
13