Numbers x,y,z are positive integers and satisfy the equation x+y+z=2013. (E)
a) Find the number of the triplets (x,y,z) that are solutions of the equation (E).
b) Find the number of the solutions of the equation (E) for which x=y.
c) Find the solution (x,y,z) of the equation (E) for which the product xyz becomes maximum. combinatoricspositive integersinteger solutions