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

asked Jun 11, 2023 64.2k views

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

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Let's see

$\\ \sf\longmapsto 25x^2-4=0$

$\\ \sf\longmapsto 25x^2=4$

$\\ \sf\longmapsto (5x)^2=2^2$

$\\ \sf\longmapsto 5x=2$

$\\ \sf\longmapsto x=(2)/(5)$

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