Table of Contents
Exercise Ex. 8.1
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Exercise Ex. 8.2
Solution 1
Solution 2
3! = 1 × 2 × 3 = 6
4! = 1 × 2 × 3 × 4 = 24
∴ 3! + 4! = 6 + 24 = 30
7! = 1 × 2 × 3 × 4 × 5 × 6 × 7 = 5040
∴ 3! + 4! ≠ 7!Solution 3
Solution 4
Solution 5
Exercise Ex. 8.3
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
Exercise Ex. 8.4
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Exercise Misc. Ex.
Solution 1
Solution 2
Solution 3
Solution 4
Solution 5
Solution 6
Solution 7
Solution 8
Solution 9
Solution 10
Solution 11
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