beonkastanton beonkastanton

23-03-2022
Mathematics

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Which is the value of the smaller zero defined by the function f (x) = 25x² – 4?

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LegendBrainly LegendBrainly

23-03-2022

Let's see

[tex]\\ \sf\longmapsto 25x^2-4=0[/tex]

[tex]\\ \sf\longmapsto 25x^2=4[/tex]

[tex]\\ \sf\longmapsto (5x)^2=2^2[/tex]

[tex]\\ \sf\longmapsto 5x=2[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{2}{5}[/tex]

Smallest zero 2/5

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