Asked by Precious
The first term of an AP is 5 and the common difference is -3/2. Find the term whose value is -20 whole number 1/2
Answers
Answered by
oobleck
I guess that "-20 whole number 1/2" means -20 1/2
so you want to find n such that
5 + (n-1)(-3/2) = -20 1/2
n = 18
so you want to find n such that
5 + (n-1)(-3/2) = -20 1/2
n = 18
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