Simple sequence...

Algebra Level 2

What is the fifth term of sequence?

2, 2/3, 2/5,....

9/2 2/9 2/7 4

Heder Oliveira Dias by Heder Oliveira Dias , 38, Brazil

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1 solution

Let the sequence be x i x_i . The sequence is defined by x n = 2 2 ( n − 1 ) + 1 x_n=\dfrac{2}{2(n-1)+1} . Since we are being asked for x 5 x_5 , we just have to plug 5 5 in the previous formula, thus obtaining x 5 = 2 9 x_5=\dfrac{2}{9} .

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