Question

найдите корни уравнения 16 х ^ 2 - 1 = 0

Answer 1

16x^2=1

x^2=1/16

x=±1/4

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Answer 2

16x^2-1=0,

(4x+1)(4x-1)=0,

4x+1=0, 4x-1=0,

4x=-1, 4x=1,

x1=-1/4, x2=1/4