Rajnish Kaushik Posted December 26, 2013 Share 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 Link to comment Share on other sites More sharing options...
mathematic Posted December 26, 2013 Share Posted December 26, 2013 (-1/2)² = (1/2)² . However -1/2 ≠ 1/2. 2 Link to comment Share on other sites More sharing options...
Rajnish Kaushik Posted January 4, 2014 Author Share Posted January 4, 2014 (-1/2)² = (1/2)² . However -1/2 ≠ 1/2. ok i got it Link to comment Share on other sites More sharing options...
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