a=5+4^2+4^3+….+4^2021. CMR 3a+1 chia hết cho 4^2021
Question
a=5+4^2+4^3+....+4^2021. CMR 3a+1 chia hết cho 4^2021
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.