Jan 17, 2014 Thread starter #1 T tmt Active member Jan 15, 2014 236 Hi, I learned today that n^lx = x Is this where n is a variable a a fixed constant? Thanks , Tim
Jan 17, 2014 Admin #2 M MarkFL Administrator Staff member Feb 24, 2012 13,775 The actual identity is: \(\displaystyle a^{\log_a(x)}=x\) For suitable values of $a$, usually taken to be a positive fixed value not equal to 1.
The actual identity is: \(\displaystyle a^{\log_a(x)}=x\) For suitable values of $a$, usually taken to be a positive fixed value not equal to 1.
Jan 17, 2014 #3 mente oscura Well-known member Nov 29, 2013 172 tmt said: Hi, I learned today that n^lx = x Is this where n is a variable a a fixed constant? Thanks , Tim Click to expand... Hello. But, yes, it is constant: [tex]\log_e(x) \ \log_e(n)=\log_e(x) \rightarrow{}n=e[/tex] It is correct, isn't it? Regards.
tmt said: Hi, I learned today that n^lx = x Is this where n is a variable a a fixed constant? Thanks , Tim Click to expand... Hello. But, yes, it is constant: [tex]\log_e(x) \ \log_e(n)=\log_e(x) \rightarrow{}n=e[/tex] It is correct, isn't it? Regards.