find the 15th term of ap 2,7,12
Answers
Answered by
20
Answer:
a = 2
a2 = 7
d = a2 -a = 7-2 = 5
a15 = a + 14d
= a + 14× 5
= 2 + 70
= 72
Answered by
9
Answer:
72
hope it will help you.....
Step-by-step explanation:
15th term of AP 2,7,12
a=2
d=7-2=5
n=15
an=?
an=a+(n-1)d
=2+(15-1)5
=2+14×5
=2+70
=72
hence, an=72
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