SOLUTION: if x+y= a and X^2+y^2=b then find x^3+y^3
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Question 867161: if x+y= a and X^2+y^2=b then find x^3+y^3
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
given: and
by definition, ......substitute given values
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