The sum `""^(40)C_(0) + ""^(40)C_(1)+""^(40)C_(2)+…+""^(40)C_(20) `is equal to
Channel: Doubtnut
Date: 17/05/2020

The sum `""^(40)C_(0) + ""^(40)C_(1)+""^(40)C_(2)+…+""^(40)C_(20) `is equal to