Question

(10^x)^x=10 resposta tem que dar {1,-1}

Answer 1

$(10^{x} )^{x} = 10$

$10 ^{x.x} =10$

$10 ^{ x^{2} } = 10$

$10^{ x^{2} }=10^{1}$

$x^{2} = 1$

$x= \sqrt{1}$

$x'=1\ \ ou\ \ x''=-1\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \boxed{S=(-1\ ,\ 1)}\ \ \ \ \ \ \ \ \ \ ok$