Mathematics

The nth term of an A.P. is 6n + 2. Find the common difference.

AP GP

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Answer

Given, an = 6n + 2.

∴ a1 = 6(1) + 2 = 6 + 2 = 8,
    a2 = 6(2) + 2 = 12 + 2 = 14.

We know that, d = any term - preceding term

∴ d = a2 - a1 = 14 - 8 = 6.

Hence, the common difference of the A.P. is 6.

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