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calculate the next three numbers of each progression1) 15,-14,13,-12...2)243,81,27...3)5,12,26....4)2,5,9,14...

User VFlav
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1 Answer

3 votes

Given data:

The first series is 15,-14,13,-12...

The second term can be written as,


-14=15*(-1)+1

The third term can be written as,


13=-14*(-1)-1

The next term can be written as,


\begin{gathered} a_5=-12*(-1)-1 \\ =11 \end{gathered}

Thus, the next term of the given series is 11.

User Algiecas
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5.9k points
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