Recent content by psb01080

Okay, my homework is "Prove that there exists a positive real number x such that (x^3)=2." and I have no clue how I can solve it. sigh. Is there anyone who can me to solve it using least upper bound property?? Thank you !

Okay, this is the question that i need to solve using mathematica: Define the function f(n) which counts the number of zeros in n if n is the integer greater than 0. If you input 105, 1005, 10005, find f(n). I want to use Module in this question and I just found out that i have to use...