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ajprincess

  • 2 years ago

Pls help:) Find the particular integral of (D^2+a^2)y=sinax a)successive integration b)using partial fraction

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  1. abb0t
    • 2 years ago
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    y=Asin(ax)+Bcos(ax) find y' and y''

  2. ajprincess
    • 2 years ago
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    y'=Aacos(ax)-Basin(ax) y"=-Aa^2sin(ax)-Ba^2cos(ax)

  3. ajprincess
    • 2 years ago
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    what do i do after this @abb0t

  4. ajprincess
    • 2 years ago
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    @hartnn @amistre64

  5. ajprincess
    • 2 years ago
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    @campbell_st

  6. abb0t
    • 2 years ago
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    now, you plug it in for your second derivative and solve. your particular integral is any function which when substituted into the left hand side and simplified, results in the function on the right.

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