Algebra-2

The missing number is 6.

 

Here's the explanation: In Pascal's Triangle, each number (except for the 1s on the edges of each row) is the sum of the two numbers directly above it in the previous row.

 

For the fifth row where the missing number is located, we look at the fourth row which has the numbers 1, 3, 3, 1.

 

The number in the fifth row that we need to find has the two numbers 3 and 3 directly above it from the fourth row. When we add 3 and 3 together (3 + 3), we get 6.

 

So the completed Pascal's Triangle would be:

 &n...