Question

algebraic form of an AS is 5n-2. find it's d and first term​

Answer 1

Answer:

✨ Answer ✨

$an = 5n - 2 \\ \\ a1 = 5(1) - 2 = 3 \\ \\ therefore \: a(first \: term) = 3 \\ \\ a2 = 5(2) - 3 = 7 \\ \\ d(common \: difference) = a2 - a1 \\ \\ d = 7 - 3 = 4$