HP50g or other: U. of Houston calc exams

08052015, 07:13 PM
(This post was last modified: 08052015 07:20 PM by Gilles.)
Post: #4




RE: HP50g or other: U. of Houston calc exams
(08052015 04:58 AM)Peter Murphy Wrote: I'd be interested in seeing solutions to 2015 problem 23, Here is my idea for problem 23 (but i dont know what is a " vertice", perhaps I misundertsood the problem), exact mode, rigorous on ['1X' '2X²'] ['2X' '7X²'] CROSS ABS 2 / (here we have the aera of the triangle, function of X) ENTER (dup the result ) DERVX (to get the extremum , then delete the sign part of the derivate because we search the root) SOLVEX (here we get > X=5/6 ) SUBST EVAL > 157/24 

« Next Oldest  Next Newest »

User(s) browsing this thread: 1 Guest(s)