which term of AP 8,6,4...........is zero____?
Answers
Answered by
57
Answer:
4 is the first negative number
Step-by-step explanation:
Answered by
1
Answer:
5th term
Step-by-step explanation:
a = 8
a(n) = 0
d = 6-8 = -2
n = ?
a(n) = a + (n-1)d
0 = 8 + (n-1)-2
0-8 = (n-1)-2
-8 = (n-1)-2
n-1 = -8/-2
n-1 = 4
n = 4+1
n = 5
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