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If 2 is zero of polynomial …

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If 2 is zero of polynomial 2 X square + PX - 14 then find the value of p

    • Posted by Sanju Thrived 6 years, 4 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Yogita Ingle 6 years, 4 months ago

    2x2 + px - 14  = 0
    Put x = 2
    2(2)2 + p(2) - 14 = 0
    2 (4) + 2p - 14 = 0
    8 + 2p - 14 = 0
    2p - 6 = 0
    2p = 6
    p = 6/2
     p = 3

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