This is the problem If g(x) = (ax^2 + bx + c) sinx + (dx^2 + ex + f) cos x determine the values of the constants a, b, c,d,e, f such that g'(x) = x^2 sinx
Follow Math Help Forum on Facebook and Google+
Originally Posted by ClipsClips99 This is the problem If g(x) = (ax^2 + bx + c) sinx + (dx^2 + ex + f) cos x determine the values of the constants a, b, c,d,e, f such that g'(x) = x^2 sinx So by matching up the coefficients I get -d = 1 2a - e = 0 b - f = 0 a = 0 b + 2d = 0 c + e = 0 This gives me the solution: a = 0 b = 2 c = 0 d = -1 e = 0 f = 2 -Dan
View Tag Cloud