(D^2 + 1)y = sin x

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Second order differential equation , where f(-a^2) = 0.
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sir if test fails we can use this formula also? i.e, sinax=x/2a into -cosax

vakshay
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Sir can't we differentiate the denominator and replace F(D) with F(a) .a=1

zaynmolkin
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How we find the inverse of that same ODE

MusaRahman-li
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Sir solve (D2-1)y=coshx explain please

rsreevani
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Sir amu msc math entrance exam ke liye kon si book se padhe aur air entrance exam ke liye coaching kaha se le

shoyabmalik