Question 1023888: Given the sequence 4;X-2;32...
1.1 Which term of the sequence is 158?
Answer by MathLover1(20849)   (Show Source):
You can put this solution on YOUR website! Given the sequence  , , ,............,
first find  using common difference rule:
 ...eq.1
 .....eq.2
from eq.1 and eq.2 we have:
so, your sequence is:
, ,,............, or , ,,............,
the common difference is 
to find any term of an arithmetic sequence:
 where  is the first term of the sequence,  is the common difference,  is the number of the term to find.
your formula will be:
 for = , , ,.........
if  , then
so,  element of your sequence is 
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