Question

please solve it fast​

Answer 1

Answer:

$a_{n} = 3n + 1 \\ put \: n = 1 \: for \: first \: term \\ a_{1} = 3(1) + 1 \\ a_{1} =4$

$\orange{so \: the \blue {first \: term \: of \green{an \: AP \: is \: 4}}}$

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