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LEIZAKEMI22IN
Answered



Activity 2
1. nC5 = 126
2. 10Cr = 252
3. C(n, 5) + 8 = 9
4. C(n+1, 7) = 0!
5. C(6r, 6r -1) = 12 + C(4, 2)



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JHUNBON609IN

Step-by-step explanation:

nC5 = 126

2. 10Cr = 252

3. C(n, 5) + 8 = 9

4. C(n+1, 7) = 0!

5. C(6r, 6r -1) = 12 + C(4, 2)

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