1. (3, 4)
2. (-3, 4)
3. (-∞, 3)∪(4, ∞)
4. (-4, 3)
(3, 4)
1. (6, 25)
2. (-6, -7)
3. (6, 1)
4. (-6, 25)
(-6, 25)
1. 1/4 sq unit
2. 1/6 sq unit
3. 1/12 sq unit
4. 1/2 sq unit
1/4 sq unit
1. 2 sq unit
2. 3 sq unit
3. 4 sq unit
4. 5 sq unit
5 sq unit
1. 0
2. abz
3. 2abz
4. z
2abz
1. 1
2. 0
3. 1/2
4. 4cosα cosβ cosγ
0
1. 2cosα cosβ cosγ
2. 3cosα cosβ cosγ
3. 4cosα cosβ cosγ
4. 6cosα cosβ cosγ
4cosα cosβ cosγ
1. π
2. π/2
3. π/3
4. π/6
π/6
1. 2
2. 3
3. 5
4. 6
5
1. 1
2. 0
3. γ2
4. 4γ2
4γ<sup>2</sup>