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If y=x+tanx,prove that cos^2x d^2y/dx^2-2y+2x=0

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If y=x+tanx,prove that cos^2x d^2y/dx^2-2y+2x=0

    • Posted by Mohammed Jaseem 5 years, 10 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    David Billa 5 years, 10 months ago

    x+tanx dy/dx= 1+sec^2x d^2y/dx^2 = 0+2sec^2xtanx cos^2x×2sec^2xtanx-2x+2tanx+2x =0

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