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19: Section 5.6 Answers

  • Page ID
    103638
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    1. \(y=c_1\cos 3x+c_2\sin 3x+\frac{-\cos 3x\ln |\sec 3x+\tan 3x|}{9}\)

    2. \(y= c_1\cos 2x+c_2\sin 2x-\frac{\sin 2x\ln |\cos 2x|}{4}+\frac{x\cos 2x}{2}\)

    3. \(y = c_1e^x+c_2e^{2x}+4e^{x} (1 + e^{x} ) \ln(1 + e^{−x} )\)

    4. \(y =c_1e^x\cos x+c_2e^x\sin x+3e^{x}+\cos x \ln | \cos x| + x \sin x\)

    5. \(y=c_1e^x+c_2xe^x+\frac{8}{5}x^{7/2}e^{x}\)

    6. \(y=c_1e^x+c_2e^{-x}+e^{x}\ln (1-e^{-2x})-e^{-x}\ln (e^{2x}-1)\)

    7. \(y=c_1x+c_2{1\over x}+\frac{2(x^{2}-3)}{3}\)

    8. \(y=c_1e^x+c_2{e^x\over x}+\frac{e^{2x}}{x}\)

    9. \(y= c_1x^{1/2} e^x+c_2x^{-1/2}e^x +x^{1/2}e^{x}\ln x\)

    10. \(y= c_1e^{-x^2}+c_2xe^{-x^2}+e^{-x(x+2)}\)

    11. \(y= c_1x^2+c_2x^3 -4x^{5/2}\)

    12. \(y=c_1x+c_2x^3 −2x^{2} \sin x−2x \cos x\)

    13. \(y= c_1e^{-x}+c_2xe^x -\frac{xe^{-x}(x+1)}{2}\)

    14. \(y= c_1\cos\sqrt x+c_2\sin\sqrt x -\frac{\sqrt{x}\cos\sqrt{x}}{2}\)

    15. \(y= c_1e^x+c_2x^3e^x+ \frac{3x^{4}e^{x}}{2}\)

    16. \(y= c_1x^a+c_2x^a \ln x +x^{a+1}\)

    17. \(y=c_1 x\cos x+c_2x\sin x +\frac{x^{2}\sin x}{2}\)

    18. \(y= c_1e^{x^2}+c_2e^{-x^2} -2x^{2}\)

    19. \(y=c_1 e^{-x}+c_2e^{-x}\cos x -e^{-x}\sin x\)

    20. \(y= c_1\sqrt xe^{2x}+c_2\sqrt xe^{-2x} -\frac{\sqrt{x}}{2}\)

    21. \(y= c_1\sqrt x\sin x+c_2\sqrt x\cos x +\frac{x^{3/2}}{4}\)

    22. \(y= c_1xe^x+c_2xe^{-x} -3x^{2}\)

    23. \(y= c_1xe^x+c_2x^2e^x +\frac{x^{3}e^{x}}{2}\)

    24. \(y= c_1{1\over x}++c_2x^3 -\frac{4x^{3/2}}{15}\)

    25. \(y= c_1x^2+c_2x^2e^x +x^{3}e^{x}\)

    26. \(y= c_1x^2e^x+c_2x^3e^x +xe^{x}\)

    27. \(y= c_1x^2\cos x+c_2x^2\sin x +x^{2}\)

    28. \(y =c_1 x+c_2e^x +xe^{x} (x − 2)\)

    29. \(y= c_1\sqrt x+c_2\sqrt xe^x +\sqrt{x}e^{x}(x-1)/4\)

    30. \(y=\frac{e^{2x}(3x^{2}-2x+6)}{6}+\frac{xe^{-x}}{3}\)

    31. \(y = (x − 1)^{2} \ln(1 − x) + 2x^{2} − 5x + 3\)

    32. \(y = (x^{2}−1)e^{x}−5(x−1)\)

    33. \(y=\frac{x(x^{2}+6)}{3(x^{2}-1)}\)

    34. \(y=-\frac{x^{2}}{2}+x+\frac{1}{2x^{2}}\)

    35. \(y=\frac{x^{2}(4x+9)}{6(x+1)}\)

    36. \(y=c_1e^x\cos 3x+c_2e^x\sin 3x+{2\over 17}\cos x+{9\over 17}\sin x-{1\over 27}e^x\cos 3x\ln |\sec 3x+\tan 3x|\)

    37. \(y=c_1\cos x+c_2\sin x-{1\over 2}x\cos x+x\sin x+\cos x\ln |\cos x|\)

    38. \(y=c_1e^{-x}+c_2e^{-2x}+3x^2-9x+{21\over 2}-e^{-2x}\sin e^x+(e^{-x}+e^{-2x})\ln (1+e^x)\)

    39. \(y=c_1e^x+c_2xe^x+x^3+6x^2+22x+32-{1\over 2}e^x\ln(1+x^2)+xe^x\tan^{-1} x \)

    40. \(y=c_1e^x+c_2xe^x+{1\over 2}x^2e^x+{1\over 2}x^2e^x\tan^{-1} x-{1\over 2}e^x\tan^{-1} x-{1\over 2}xe^x\ln (1+x^2)\)


    This page titled 19: Section 5.6 Answers is shared under a not declared license and was authored, remixed, and/or curated by William F. Trench.

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