sophiaacua sophiaacua

16-11-2021
Mathematics

contestada

If x^4 - y^4 = 24, and x^2 - y^2 = 8, what is the value of x^2 + y^2 ?

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Respuesta :

hannahwillis34 hannahwillis34

16-11-2021

Answer:

Step-by-step explanation:

U

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surjithayer10otahza surjithayer10otahza

16-11-2021

Answer:

3

Step-by-step explanation:

[tex]x^4-y^4=(x^2)^2-(y^2)^2=(x^2-y^2)(x^2+y^2)\\24=8(x^2+y^2)\\x^2+y^2=\frac{24}{8}\\x^2+y^2=3[/tex]

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