Changes
From Karnataka Open Educational Resources
132 bytes added
, 07:25, 17 August 2014
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| *<math>a^3-b^3=(a-b)(a^2+ab+b^2)</math> | | *<math>a^3-b^3=(a-b)(a^2+ab+b^2)</math> |
| *<math>(a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ca</math> | | *<math>(a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ca</math> |
− | *<math> | + | *<math>a^4+a^2b^2+b^4=(a^2+b^2+ab)(a^2+b^2-ab)</math> |
− | *<math> | + | *<math>(a+b+c)^3-a^3-b^3-c^3=3(a+b)(b+c)(c+a)</math> |
− | *<math> | + | *<math>(a+b)(b+c)(c+a)=(a+b+c)(ab+bc+ca)-abc</math><br> |
− | *<math>
| + | |
| | | |
| =Geometric Results= | | =Geometric Results= |