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Find the values of a^2 + b^2 and a^4 + b^4 when a + b = 5 and Ab = 4.

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What part of my answer to the same question I gave you yesterday did you not like ??

http://www.jiskha.com/display.cgi?id=1441513440

I cannot I uderstand this method plz do this a new method

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