Question

This famous Mathematical entity is called the Pascal’s triangle exhibits various

patterns. Study it carefully to answer the question given below.



What would be the number that is second from right in the 20th horizontal row of this triangle?


(1 Point)
A. 18
B. 19
C. 20
D. 21

Answer 1

Step-by-step explanation:

Using the Pascals triangle formula for the sum of the elements in the nth row of the Pascals triangle: Sum = 2n where n is the number of the row. Answer: The sum of the elements in the 20th row is 1048576.

Answer 2

Step-by-step explanation:

This famous mathematical entity called the Pascal’s triangle exhibits various patterns. Study it carefully and find out what would be the number that is second from right in the 20th horizontal row of this triangle.

1st row --> 1

1 1

1 2 1

1 3 3 1

1 4 6 4 1

1 5 10 10 5 1

and so on..(1 Point)