0 votes 0 votes The first derivative of the function $$U(r)=4\left[\left(\frac{1}{r}\right)^{12}-\left(\frac{1}{r}\right)^6\right]$$ evaluated at $r=1$ is___________(in integer). Others gatech-2023 + – admin asked May 21, 2023 • edited Nov 28, 2023 by makhdoom ghaya admin 2.8k points answer See all 0 reply