Ask a question
0 0

If x, a and b are a real numbers and x^a = x^b, does this implies a = b??

Explain your answer and give counter example if needed.
Tutors, please sign in to answer this question.

2 Answers

x=1, a=6, b=7;
16=1; 17=1; So, x=1, a≠b, but xa=xb. That is, xa=xb does not necessarily implies a=b.
Hi Harry,
What if x=0? Must a and b be equal then?