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What is the second number in the row of Pascal's triangle that has 43 numbers?

 Mar 29, 2019
 #1
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Row 0 has one number

Row 1 has two numbers

.

.

.

and so on

 

Therefore, row 42 must have 43 numbers.

 

The first number starts \(\binom{n}{0}\)with, the second number,  \(\binom{n}{1}\) , and so on..

 

Thus, the answer is \(\binom{42}{1}=\boxed{42}.\)

 

Hope that helped!

 Mar 29, 2019

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