In the sequence $2, 4, 6, 8,$ ___, find the $n$ th term.

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Solution

We can see that: $T_{1} = 2 = 2 \times 1$
$T_{2} = 4 = 2 \times 2$
$T_{3} = 6 = 2 \times 3$
$T_{n} = 2 \times n$
$∴ T_{n} = 2 \times n$

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