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If x,y,z are in a.p.then what …

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If x,y,z are in a.p.then what is the value of (x+y-z) (y+z-x)..

    • Posted by Rikku Mahto 6 years, 9 months ago

    CBSE > Class 10 > Mathematics
    • 4 answers

    Rikku Mahto 6 years, 9 months ago

    Ohhh.

    0Thank You

    Nandini Verma 6 years, 9 months ago

    x, y and z are in the AP. So, 2y = x + z x = 2y - z .......(1) (x + y - z)(y + z - x) .......(2) Substituting (1) in (2) [(2y - z) + y - z][y + z - (2y - z)] = (2y - z + y - z)(y + z - 2y + z) = (3y - 2z)(2z - y) = 6yz - 3y2 - 4z2 + 2yz = 8yx - 3y2 - 4z2 I HOPE YOU GOT IT!!!!!!!!!!!!!!!!!!!

    0Thank You

    Rikku Mahto 6 years, 9 months ago

    I have asked question.

    0Thank You

    Monika Gupta 6 years, 9 months ago

    Yes

    0Thank You

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