QUESTION IMAGE
Question
which number equals ( i^4 )?
options: ( i ), ( 1 ), ( -i ), ( -1 )
Step1: Recuerda la definición de \( i \)
Sabemos que \( i = \sqrt{-1} \), entonces \( i^2 = (\sqrt{-1})^2 = -1 \).
Step2: Calcular \( i^4 \)
Podemos expresar \( i^4 \) como \( (i^2)^2 \). Sustituyendo \( i^2 = -1 \), tenemos \( ( -1 )^2 \).
Step3: Evaluar \( (-1)^2 \)
\( (-1)^2 = 1 \).
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1 (correspondiente a la opción "1")