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Find the general solution of the given equation

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Find the general solution of the given equation y"+100y=0

asked Sep 15, 2018 in CALCULUS by anonymous
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1 Answer

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y"+100y=0

d^2y/dx^2+100y =0

(D^2+100)y=0

D^2+100=0

(D+10i)(D-10i)=0

D=-10i, 10i

y =c_1cos10x+c_2sin10x

answered Sep 17, 2018 by lilly Expert

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