Question

Show that the sequence defined by tn =4n+7is an AP

Answer 1

Heya!!Here is your answer friend ⤵⤵
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$given \: sequence = 4n + 7 \\ \\ to \: proove = \: \: its \: \: an \: arithmetic \: \: progression(ap) \\ \\ (1)put \: n = 1 \\ = 4 + 7 = 11 \\ \\ (2)put \: n = 2 \\ = 8 + 7 = 15 \\ \\ (3)put \: n = 3 \\ = 12 + 7 = 19 \\ \\ thus \: it \: forms \: an \: ap \: where \: a \: = 11 \: and \: d = 4$
Hope it helps you ✌✌☺