Find an equation of an ellipse satisfying the given conditions:

​Foci: ​(−2​,0) and (2​,​0)
Length of major​ axis: 8

Thank you

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  1. in its standard form , at centre (0,0)
    a^2 = b^2 + c^2
    4^2 = b^2 + 2^2
    b^2 = 12

    x^2 / 16 + y^2 / 12 = 1

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