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  1. #1
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    Post another systems

    hello!!!


    x+3λy=1
    λx-3λy=2λ+1


    and

    3x+αy=3
    αx+3y=3


    please help me.
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  2. #2
    GAMMA Mathematics
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    Quote Originally Posted by gdespina View Post
    hello!!!


    x+3λy=1
    λx-3λy=2λ+1


    and

    3x+αy=3
    αx+3y=3


    please help me.
    x+3λy=1
    λx-3λy=2λ+1

    Add these two equations together to get:

    x+x\lambda + 3y\lambda - 3y\lambda = 1 + 2\lambda + 1

    x(1+\lambda) =  2(1+\lambda)

    x=2

    Plug back into either of the equations to solve for y.
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