Знайдіть нулі функції. Created by veronicayvna. algebra-ru

Ответ:x∈{1}Объяснение:y= - = - = = x∉{1/2}U{-1/2}x∈{-1/2}U{1}=>x∈{1}

Знайдіть нулі функції...

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Знайдіть нулі функції

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elf222

Ответ:

x∈{1}

Объяснение:

y= $\frac{x}{2x+1}$ - $\frac{1}{4x^2-1}$ = $\frac{x(2x-1)}{4x^2-1}$ - $\frac{1}{4x^2-1}$ = $\frac{x(2x-1)-1}{4x^2-1}$ = $\frac{(x+0.5)(x-1)}{(2x-1)(2x+1)}$

x∉{1/2}U{-1/2}

x∈{-1/2}U{1}=>

x∈{1}

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