Math, asked by ravitej78, 3 months ago

Problem 3: If 8Cr - 7C3= 7C2 ,find r

Answers

Answered by mathgenius24

2

Answer:

35/8

Step-by-step explanation:

》8Cr - 7C3 = 7C2

》8Cr - 21C = 14C

》8Cr = 14C + 21C

》8Cr = 35C

So, r = 35C/8C

= 35/8

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