Basic formulas of algebra pdf

Basic formulas of algebra

For download basic formulas of algebra pdf click the download link below 

1. (a+b)^2 = a^2+2ab+b^2

                  = (a-b)^2+4ab
2. (a-b)^2 = a^2-2ab+b^2
                  = (a+b)^2-4ab

3. (a+b)^2 + (a-b)^2 = 2(a^2+b^2)

4. (a+b)^2 - (a-b)^2 = 4ab

5. a^2 + b^2 = (a+b)^2 - 2ab

                       = (a-b)^2 + 2ab

6. a^2 - b^2 = (a+b)(a-b)





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