find the two numbers whose sum is 12 such that the sum of the square of one plus four times the other is a minimum what is the first step ?
Follow Math Help Forum on Facebook and Google+
Originally Posted by killykilly find the two numbers whose sum is 12 such that the sum of the square of one plus four times the other is a minimum what is the first step ? 1. Let n, m the numbers in question. 2. "Translate" the text into equations: [1]: $\displaystyle m+n=12$ [2]: $\displaystyle y = m^2+4n$ 3. Substitute one variable in [2] and determine the minimum of y.
View Tag Cloud