Can someone please explain to me how this is an infinite set: A={x | x∈Z and x^3<10}
R roryj200 New member Joined Mar 24, 2021 Messages 1 Mar 24, 2021 #1 Can someone please explain to me how this is an infinite set: A={x | x∈Z and x^3<10}
L lookagain Elite Member Joined Aug 22, 2010 Messages 3,230 Mar 24, 2021 #2 roryj200 said: Can someone please explain to me how this is an infinite set: A={x | x∈Z and x^3<10} Click to expand... x such that x is an element of the integers and x cubed is less than 10. roryj200, did you consider x = 0? Also, did you consider negative integer values of x?
roryj200 said: Can someone please explain to me how this is an infinite set: A={x | x∈Z and x^3<10} Click to expand... x such that x is an element of the integers and x cubed is less than 10. roryj200, did you consider x = 0? Also, did you consider negative integer values of x?
H HallsofIvy Elite Member Joined Jan 27, 2012 Messages 7,763 Mar 26, 2021 #3 The set of all negative integer is infinite and all negative integers satisfy that inequality.
Steven G Elite Member Joined Dec 30, 2014 Messages 14,561 Mar 28, 2021 #4 HallsofIvy said: The set of all negative integer is infinite and all negative integers satisfy that inequality. Click to expand... Looks good to me!
HallsofIvy said: The set of all negative integer is infinite and all negative integers satisfy that inequality. Click to expand... Looks good to me!