If x^4-y^4=-15 and x^2-y^2=-3, what's the value of x^2+y^2?
i need work shown too please...
Mathematics, 09.12.2021 08:20 lexxiiee653
If x^4-y^4=-15 and x^2-y^2=-3, what's the value of x^2+y^2?
i need work shown too please
Answers: 1
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