Find two positive numbers whose sum is 4 and such that the sum of te cube of the first an the square of the second is as small as possible. Thanks any help would be appreciated!
Follow Math Help Forum on Facebook and Google+
Originally Posted by scubasteve94 Find two positive numbers whose sum is 4 and such that the sum of te cube of the first an the square of the second is as small as possible. Thanks any help would be appreciated! hi let x and y be the two positive numbers , -- 1 let When f'(x)=0 , x=4/3 or x=-2 x=4/3 is a local minimum and can be verified by taking the second derivative .
Thank you!!
View Tag Cloud