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. Show that p(x) = x3 …

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. Show that p(x) = x3 – 3x2 + 2x – 6 has only one real zero. 3.

    • Posted by Prince Kumar 2 years, 4 months ago

    CBSE > Class 09 > Mathematics
    • 2 answers

    Rita Sarda 2 years, 4 months ago

    Let the number of persons be x. Then, x−496​−x96​=4⇔x−41​−x1​=964​⇔x(x−4)x−(x−4)​=241​                                ⇔x2−4x−96=0⇔(x−12)(x+8)=0⇔x=12 So, required number =x−4=8.

    1Thank You

    Sancha Maya 2 years, 4 months ago

    어험가쩌쏘 떷텊초 추흐ㅛ허모

    2Thank You

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