Предмет: Алгебра, автор: nikit2033

Четыре икс в третьей степени минус два,при икс равно минус одна четвёртая Найдите значения выражения.

Ответы

Автор ответа: Cfujzczgjv

4хв ст3-2=
х=-1/4 х в 3ст=(-1/4)*(-1/4)*(-1/4)=-1/64
4х в 3степ=4*(-1/64)=-1/16
4х в 3степ -2=-1/16-2=-2 1/16

Автор ответа: nikit2033

Не поняли,от -1/16-2=-2,а рядом 1/16,а ответ какой?

Автор ответа: nikit2033

Ответ:-2 или 1/16 ?

Автор ответа: Cfujzczgjv

-1/16-2=-(1/16+2)=-2 1/16=- 2целых 1/16

Автор ответа: nikit2033

Спасибо!Помогли очень.

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