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Evaluate integrate 5x-2\1+2x+3x² dx

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Evaluate integrate 5x-2\1+2x+3x² dx

    • Posted by Yash Agarwal 6 years, 5 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Suhani Rana? 6 years, 5 months ago

    5x-2 = A d/dx(1+2x+3x^2) + B 5x-2 = A(2+6x) +B Equating the coefficient of x and constant term on both side we get 6A=6 and -2=2A+B A=5/6 and B=-11/3 Therefore 5x-2 = 5/6(2+6x) - 11/3 Now integrating by putting this value of 5x-2 in question

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