Binomial Theorem Question 7

Question 7 - 2024 (29 Jan Shift 2)

Remainder when $64^{32^{32}}$ is divided by 9 is equal to

Show Answer

Answer (1)

Solution

Let $32^{32}=\mathrm{t}$

$64^{32^{32}}=64^{\mathrm{t}}=8^{2 \mathrm{t}}=(9-1)^{2 \mathrm{t}}$

$=9 \mathrm{k}+1$

Hence remainder $=1$