Find 15th term of AP:3,6,9....
Answers
Answered by
8
Step-by-step explanation:
t 15=a+14d
t15=3+14×3
t15=3+42=45
Answered by
2
Answer:
For AP 3, 6, 9...
a1 = 3, d = 6 - 3 = 3
nth term of AP
an = a1 + (n-1)d
Therefore,
15th term of AP
a15 = a1 + 14d
= 3 + 14*3
= 3 + 42
= 45
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