If 7th and 13th term of an a.p be 34 and 64 respectively then its 18th term is
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3
Answer:
106 is the 18th term of the given AP
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Answered by
6
Answer:
89
Step-by-step explanation:
nth term=a+(n-1)d
a is first value in a.p
d is difference of the progression
7th term=a+(7-1)d
=a+6d -----eqn1
13 th term =a+12d -------eqn2
if you solve eqn1 and eqn2 then you will get d=5 and a=4
18th term=a+17d
=4+(17*5)=89
Hope it is helpful
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