Někdy Povedený prototyp y ax b cx d astronaut Nocleh Prodej
let f x ax b cx dthen fof x x for all x r provided that a d a b d a c a b c d 1 d a b 1 288d35ii -Maths - TopperLearning.com
SOLUTION: Find an equation of the form sqrt(ax+b) = cx+d where a, b, c, and d are nonzero integers and 1 is a solution, but -5 is an extraneous solution.