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Question 1192834: Suppose a sequence has s4=13 and s5=20. Find the value of u5
Answer by ikleyn(52788)   (Show Source):
You can put this solution on YOUR website! .
If, in accordance with the common sense, s5 is the sum of 5 terms and s4 is the sum of 4 terms,
while u5 is the 5-th term, then
u5 = s5 - s4.
Solved.
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It is a very bad style to present a Math problem without explanation/definition what the terms are.
Only a person, whose Math education was reading puzzles, may allow to write Math problems in this way.
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