Did I do this right?-Calculus
y' and y'' for x^2- xy + y^2 = 3 y'= (y-2x)/(2y-x) y'' = [(y'-2)(2y-x)] - [(2yy' - x)(y- 2x)]/ ((2x-y)^2) final answer for second derivative is: [2y^2- 5xy + 2x^2 - 2y^3 + 8xy^2 - 8x^2y/ ((2x-y)^3)] - [(4y + 2x + xy - 2x^2)/((2y-x)^2)] is this ...
March 30, 2013
math !!!! :O
The cost of making money varies form coin to coin: Pennies: 0.8 cents each Nickels: 2.9 cents each Dimes: 1.7 cents each Quarter: 3.7 cents each Half dollars: 7.8 cents each What is the cost of making $5.00 worth of each coin?
March 14, 2011