Rajnish Kaushik 18 Posted December 26, 2013 (edited) 2+2=4 =4-9/2+9/2 =square root of(4-9/2)2+9/2 =square root of(16-36+81/4)+9/2 =square root of(-20+81/4)+9/2 =square root of(25-45+81/4)+9/2 =square root of(52-2*5*9/2+(9/2)2)-9/2 =square root of(5-9/2)2-9/2 =5-9/2+9/2 =5 Hence proved that 2+2=4 i have mistaken anywhere then please tell me!!!! Edited December 26, 2013 by Rajnish Kaushik -2 Share this post Link to post Share on other sites
mathematic 98 Posted December 26, 2013 (-1/2)² = (1/2)² . However -1/2 ≠ 1/2. 2 Share this post Link to post Share on other sites
Rajnish Kaushik 18 Posted January 4, 2014 (-1/2)² = (1/2)² . However -1/2 ≠ 1/2. ok i got it 0 Share this post Link to post Share on other sites