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roddimal
@roddimal
June 2022
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Реши уравнение d^2+0,8d+0,16−25d^2=0
d1=
d2=
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kotyatyan
-24d^2+0,8d+0,16 = 0
Д (дискриминант) = (0,8)^2-4*(-24)*0,16 = 16
d1 = -0,8+4/-48 = 3,2/-48 = - 1/15
d2 = -0,8-4/-48 = -4,8/-48 = 0,1
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Answers & Comments
Д (дискриминант) = (0,8)^2-4*(-24)*0,16 = 16
d1 = -0,8+4/-48 = 3,2/-48 = - 1/15
d2 = -0,8-4/-48 = -4,8/-48 = 0,1