Question

) What is the 20th term of the following arithmetic sequence?
1/2,1,3/2,2

Answer 1

Take a look at the pattern. It can be rewritten as 1/2, 2/2, 3/2, 4/2The denominator remains the same. All that is changing is the numerator.
Term number 1 is 1/2
Term number 2 is 2/2
Term number 3 is 3/2
Term number 4 is 4/2
Notice how the term number becomes the numerator.
Therefore, the 20th term is 20/2, or 10

Answer 2

wow i never thought about it like that thanks