In an arithmetic sequence t5=32 and t20=5. What is t30
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to find any term of an arithmetic sequence;
an = a1 + (n-1)d
where a1 is the first term of the
sequence, d is the common difference, n is the
number of the term to find.
....please wait for a short while I am working on the question..please
therefore, we shall take the difference to be 5 and because the sequence is a decreasing one, the formula will be
an = a1 - (n+1)d
t30= 32 - ( 5+1)5 because t30 will be our 5th term
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