Determine all possible pairs (A, B) of distinct real numbers such that:
A, Aln(A) , Bln(B) and (A*B)ln(A*B) are consecutive terms of a geometric sequence.
Prove that there are no others.
*** ln(x) denotes the natural logarithm of x.
|
||
perplexus dot info |
|
|
|||||||||||||||||||||