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x^2 + 7x - 1

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x^2 + 7x - 1

    • Posted by Ranjeet Singh Rajput 4 years, 6 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Oviya Arumugam 4 years, 6 months ago

    b^2-4ac 7×7-4×1×1=45 Formulae is ( -b plus or minus root of (b^2-4ac))/2×a Substitute value in the formulae The answer will be (-7+_root of 45)/2

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