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If -5 is a root of …

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If -5 is a root of the quadratic equation 2x2 +px-15=0 and the quadratic equation p(x2+x)+k=0 has equal roots, find the value of k

    • Posted by Alka Sharma 6 years, 1 month ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Rajat Bharti 6 years, 1 month ago

    answer p=7 and k=7/4

    0Thank You

    Pragati Jain 6 years, 1 month ago

    2*25-5p-15=0 50-15=5p 35/5=p P=7 Put eq^n 2 7x^2+7x+k=o D=o 49-28k=0 49/28=k 7/4=k

    1Thank You

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    Posted by Kanika . 4 months, 2 weeks ago

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    • 1 answers
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