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Find the roots of equation 5xsquare-6x-2 …

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Find the roots of equation 5xsquare-6x-2 by completing the square method

    • Posted by Hdhdj Hsjdnx 7 years, 10 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Nishikant Singh 7 years, 10 months ago

    =(5x2-6x-2)×5=0 =25x2-30x-10=0 =[(5x)2]-2×[5x×3]+[(3)2]-(3)2-2=0 =(5x-3)2-9-2=0 =(5x-3)2=11 =5x-3=+_√11 =1st root=5x-3=+√11 =5x=3+√11 =x=3+√11/5 =2nd root=5x-3=_√11 =5x=3-√11 =x=3-√11/5 Where 5x2 is 5x square and in step 3rd it's in the form of a2+b2 - 2ab

    2Thank You

    Siv Sahu 7 years, 10 months ago

    Nahi aata

    6Thank You

    ANSWER
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