1. The problem statement, all variables and given/known data dy/dθ =2·3^(−θ) 2. Relevant equations 3. The attempt at a solution 2*(d/dθ)(3^(-θ) 2(3^(-θ)ln(3)) (2ln(3))/(3^θ) I keep getting this wrong and I'm not sure why. Could someone point out my mistake?