If x = (sqrt(5) - sqrt(2))/(sqrt(5) + sqrt(2)) and y = (sqrt(5) + sqrt(2))/(sqrt(5) - sqrt(2)) find the value of x ^ 2 + xy + y ^ 2
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6
Step-by-step explanation:
add and subtract xy so that it is easy to simplify
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Answered by
3
Step-by-step explanation:
everything is explained in the equation
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