If the common difference on an ap is 5 then find a18-a13
Answers
Answered by
25
d=5
a18=a+17d
a13=a+12
a18-a13
=a+17d-(a+12d)
=a+17(5)-a-12×(5)
=85-60
=25
i hope this helps u.plz mark it brainliest
a18=a+17d
a13=a+12
a18-a13
=a+17d-(a+12d)
=a+17(5)-a-12×(5)
=85-60
=25
i hope this helps u.plz mark it brainliest
Answered by
6
a+17d- (1)
a-12d- (2)
After solving equations (1) and (2).
We get -->
a+17×5
a+12×5
After solving this we get --->
[25] as answer
Step-by-step explanation:
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