# Toronto Math Forum

## APM346--2020S => Quizzes and Tests => Test 1 => Topic started by: Yan Zhou on February 15, 2020, 10:28:52 PM

Title: past test 2016F problem 2
Post by: Yan Zhou on February 15, 2020, 10:28:52 PM
I believe that in question (a), the equation underlined should be $$-\frac{1}{2}[e^{-\frac{1}{2}(x+t-\tau)^2} + e^{-\frac{1}{2}(x-t+\tau)^2}]$$
The rest is correct.