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If x, y, z, are in …

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If x, y, z, are in A.P. then find the value of (x+y-z)(y+z-x).... Plz do answer if u know how to solve it....

    • Posted by Aashrity .... 6 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Ram Kushwah 6 years, 10 months ago

    X,Y,Z are in AP
    then y-x=z-y
    2y=x+z
    y=x+z/2
    According to question
    (x+y-z)(-x+y+z)
    x-z+x+z  (-x+x+z +z)
           2            2


    (2x-2z+x+z)        (x+z+2z-2x)
    2                            2

    1/4 (3x-z)(3z-x)

    1Thank You

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