Question

"The sum of the first n terms, 5n, of an arithmetic sequence is given by 5n = 5n^2 + 6n. Find the third term."

a) 15
b) 18
c) 21
d) 24

Answer 1

The least common denominator for this difference is 12.

Step-by-step explanation:

The least common denominator is the smallest number that can be evenly divided by all the denominators in a set. To find the least common denominator for this difference, we need to identify the common factors among the denominators given: 12, 41, and 45.

The common factors are:

• 12
• 12

Therefore, the least common denominator for this difference is 12.