Question
જો $S_n = 4 (2^n - 1)$ હોય, તો $S_6$ શોધો.

Answer

$S_n = 4 (2^n - 1)$ માં $n = 6$ મૂકતાં; $S_6 = 4 (2^6 – 1) = 4 (64 – 1) = 4 (63) = 252$.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free