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प्रश्न
Find the 8th term from the end of the AP 7, 10, 13, ……, 184.
उत्तर
Here, a = 7 and d = (10-7) = 3,l = 184 and n = 8th form the end.
Now, nth term from the end = [ l - (n-1) d]
8th term from the end = [184-(8-1) x3]
=[ 184-(7×3)]=(184-21)=163
Hence, the 8th term from the end is 163.
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