if x-y=4 and xy=2 then find the value of x^2+y^2

Question

if x-y=4 and xy=2 then find the value of x^2+y^2

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5 days 2021-10-08T21:24:38+00:00 2 Answers 0 views 0

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    0
    2021-10-08T21:26:17+00:00

    Answer:

    Hope it is helpful for you

    0
    2021-10-08T21:26:17+00:00

    Answer:

    HOPE THUS WOULD BE HELPFUL

    Step-by-step explanation:

    x-y=4

    xy=2

    (x-y)^2=x^2+y^2-2xy

    =>4^2=x^2+y^2-2(2)

    =>16=x^2+y^2-4

    =>x^2+y^2=16+4

    =>x^2+y^2=20(ans.)

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