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4 May, 10:20

Find the 30th term of the following sequence. 1, 7, 13, 19, ... 174. 175. 180. 181.

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  1. 4 May, 10:39
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    The first term a = 1,

    Common difference, d: 7 - 1 = 6.

    a (n) = a + (n - 1) d,

    For 30th term. = 1 + (30 - 1) * 6

    = 1 + 29*6 = 1 + 174 = 175
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