If I am not mistaking the answer should be x=±sqrt(3)=±1.7321. Please correct me if I am wrong. Thank you.
update resiver x230 usb ultra
According to PCMag's roundup of the current top five business notebooks trending high in the market, Apple's Macbook Pro 15-inch with Retina Display stands boldly at the top. It is followed by Dell's Latitude E6430 ATG, Lenovo's Thinkpad X1 Carbon and X230. Resting at the fifth place is Toshiba's Portege R935-P322.
The best laptops for businesses according to online reviews are: Toshiba Protege R935-P322, Lenovo ThinkPad X230, Lenova ThinkPad X1 Carbon, Dell Latitude E6430 ATG and Apple Mac Book Pro 15 inch with retina display. These are based on performance and price.
1.Reams are cut from rolls of various dimensions.However 1 yards=36 inches.There fore a cut size of 36 " x 46" from a yard roll may have 5-6 sheets 36"x230" or 36"x 276 " .Then for a 500 sheet ream the cut in roll would require 100 yards or 83 yards approximate.
The Thinkpad T420 is one of the longest lasting laptops in terms of battery life. Sony Vaio S or Z can have an extended battery sheet (adding almost no thickness) that will make your laptop have ridiculously long battery life.
This is very much a matter of personal taste. Generally speaking, a laptop that is customized for what you plan on using it for will work better for that purpose than a generic off-the-rack laptop. If you're a gamer, then, a brand that specializes in those like Alienware will probably make you happier (albeit at a higher price tag) than whatever's cheapest at the local computer store. While I don't want to sound like a commercial, as an IT worker I did notice that coworkers with Dell or HP laptops tended to have fewer problems than those with Sony laptops. They also appeared to be of fairly sturdy construction where the Sony was flimsier. I personally use an Acer and like it quite a bit, though it's not quite as physically sturdy as my Daughter's HP.