Question

please solve it guys​

Answer 1

Step-by-step explanation:

$\large \red {\underline {\underline{Given:-}}}$

$\rightarrow \: a = 3 \: \\\rightarrow d = 6 - 3 = 3 \\\rightarrow \: n = ? \\\rightarrow \: a_n = 111$

By Using Formula Of A.P.

$\large \purple {\boxed {\: a_n = a + (n - 1)d}}$