4. Which term of the AP:3, 8, 13, 18,...,is 78?
please answer the question
Answers
Answered by
0
Answer:
16 th term
Step-by-step explanation:
a = 3
d = 8 - 3 = 5
nth term = 78
by the formula we know that:
Tn = a + (n - 1)d
78 = 3 + (n - 1)5
78 = 3 + 5n - 5
5n = 80
n = 16
Answered by
0
Answer:
16
Step-by-step explanation:
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