Question

find the value of terms with in the A.P.3,6,9,12,....11​

Answer 1

Step-by-step explanation:

$n = 11 \\ a = 3 \\ d = 3 \\ a \frac{}{11} = 3 + (11 - 1)3 \\ 3 + 10 \times 3 \\ 3 + 30 \\ 33$