SOLUTION: Please help me solve this question: If x^2 + y^2 = 29 and xy=2, find the value of i) x+y ii) x-y iii) x^4 - y^4

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Question 751456: Please help me solve this question: If x^2 + y^2 = 29 and xy=2, find the value of
i) x+y
ii) x-y
iii) x^4 - y^4

Answer by tommyt3rd(5050)   (Show Source): You can put this solution on YOUR website!


i)

ii)similarly

which leads to

iii)

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