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21-06-2016
Mathematics

Answered

What is the 25th term in the following arithmetic sequence?

-7, -2, 3, 8, ...

Verified Answer :

21-06-2016

\(a_n = a_1 + (n-1)d\)
\(a_1= First~number\)
\(d=Common~difference\)
\(n=Number~of~terms\)
---------------------------------------
\(a_{25}= -7 + (25-1)(8-3)\)
\(a_{25}= 113\)

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