Physics, asked by dracula83, 1 year ago

[D^2 + 4]y = 0
solve this differential equation

Answers

Answered by Anonymous

21

(D^2 + 4] y =0

Auxillary equation

M^2 +4=0

M = +2i and -2i

general solution

Y= c1cos2x +c2sin2x

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