1. –(1+a)
2. (1+a)-1
3. a/10
4. 1/10a
–(1+a)
1. 221
2. 109
3. 46
4. 25
5. 11
46
1. -1
2. 0
3. 1
4. abc
1
1. 7
2. 15
3. 39
4. 63
5. 127
39
1. 0.934
2. 0.945
3. 0. 954
4. 0.958
0. 954
1. 699/301
2. 1000/301
3. 0.3010
4. 0.6990
1000/301
1. 10
2. 21
3. 64
4. 129
5. 356
356
1. 0.3241
2. 0.6911
3. 0.6990
4. 0.7525
0.6990
1. 1.6020
2. 1.9030
3. 3.9030
4. None of these
1.9030
1. 169
2. 144
3. 121
4. 100
5. 80
80