1. 5
2. 12
3. 13
4. 13/2
13
1. 1
2. e
3. e-1
4. 0
1
1. [0, 5]
2. [1, 4]
3. [-1, 2]
4. none
[1, 4]
1. (-1, 0) U (1, ∞)
2. (-∞, -1) U (1, ∞)
3. (-∞, 0) U (1, ∞)
4. (-∞, -1) U (0, ∞)
(-1, 0) U (1, ∞)
1. 1
2. 2
3. 3
4. 6
6
1. cot 3x
2. cos 3x
3. sec 3x
4. sin 3x
sec 3x
1. 1
2. e
3. e-1
4. 0
1
1. (0, 1) U (1, ∞)
2. (0, 2) U (2, ∞)
3. (0, 1) U (2, ∞)
4. R
(0, 1) U (1, ∞)
1. 6 sq.unit
2. 24 sq.unit
3. 30 sq.unit
4. 12 sq.unit
24 sq.unit
1. 0
2. 1
3. log 2
4. log 4
log 4