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(a square minus b upon 2 ) whole square .........pls solve with the formulae a and b |
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Answer» ((a^2 - b) /2)^2 = (a^2-b) ^2/4 = (a^2)^2 + b^2 - 2a^2b /4. (using (x - y) ^2 = x^2 + y^2 - 2XY) = (a^4 + b^2 - 2a^2b)/4 |
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