Question

Resolva :

(√2)^x-1 = 1
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√2

Answer 1

$( \sqrt{2} )^{x-1}= \frac{1}{ \sqrt{2} } \\ \\ ( \sqrt{2} )^{x-1}=( \sqrt{2} )^{-1} \\ \\ x-1=-1 \\ \\ x=-1+1 \\ \\ x=0$