Instructions

Find the next term in the series.

Question 78

1,7,17,31,49,71

Solution

1 =$$2(1)^2-1$$
7 =$$2(2)^2-1$$
17 =$$2(3)^2-1$$
31 =$$2(4)^2-1$$
49 =$$2(5)^2-1$$
71 =$$2(6)^2-1$$
Next terms =$$2(7)^2-1 = 97$$

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