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O ecuatie exponentiala

Posted: Sat Mar 27, 2010 2:03 pm
by Mateescu Constantin
Sa se rezolve ecuatia exponentiala : \( 2^x+2^{1-x}=3a^{x(x-1)} \) , unde \( a\ge 2 \) .

Virgil Nicula , lista scurta 2008

Posted: Sat Mar 27, 2010 4:50 pm
by Marius Mainea
\( x\in\{0,1} \)

Se procedeaza la fel ca la mai ,,cunoscuta'' ecuatie : \( 2^x+2^{\sqrt{1-x^2}}=3 \)