Question 1011379
.
Find all values of K such that equation (2^x)-k(2^-x)=1 has {{{highlight(cross(exact))}}} exactly one real solution.
---------------------------------------------------------------------------


It was just solved under this link:

<A HREF=http://www.algebra.com/algebra/homework/absolute-value/absolute-value.faq.question.1011381.html>http://www.algebra.com/algebra/homework/absolute-value/absolute-value.faq.question.1011381.html</A>.