Question
${7^{300}}$ का अन्तिम अंक है
अब ${7^{300}} = {({7^2})^{150}} = {(50 - 1)^{150}}$
= $^{150}{C_0}{(50)^{150}}{( - 1)^0} + {\,^{150}}{C_1}{(50)^{149}}{( - 1)^1} + ....+ {\,^{150}}{C_{150}}{(50)^0}{( - 1)^{150}}$
${7^{300}}$ का अंतिम अंक $^{150}{C_{150}}.1.1$ अर्थात् $1$ है।
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.