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  • Which of the following pairs are equal? Option: 1 <img alt="^{10}C_3 , ^9 C_6" src="https://learn.careers360.com/latex-image/?%5E%7B10%7DC_3%20%

Which of the following pairs are equal? 

Option: 1

^{10}C_3 , ^9 C_6


Option: 2

^{10}C_4 , ^{10}C_6


Option: 3

^{9}C_5 , ^8 C_4


Option: 4

none of these 


Answers (1)

best_answer

As we have learned

^{n}C_{r}= ^{n}C_{n-r}.

 

Now,

 ^{10}C_4 = ^{10}C_{10-4} = ^{10}C_6

So, option B is correct

 

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