if the first term of the ap is -7 and its common difference is 5 then its 18th term will be
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Answered by
4
Answer:a=-7,d=5
a18=a+(n-1)d
a18=-7+(17)5
a18=-7+85
a18=78
So a18=78
Step-by-step explanation:
Hope it helps...
Answered by
3
Answer:
a= –7,d=5,n=18
an=a+(n–1)d
an= –7+(18–1)5
an= –7+17×5
an= –7+85
an= 78
That's it......
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