Question

For $y=lo{g}_{a}x$ to be defined 'a' must be

• A. Any positive real number
• B. Any number
• C. $\ge e$
• D. Any positive real number $\ne 1$

Answer 1

The correct option is D Any positive real number $\ne 1$

We have seen for a logarithm $y=lo{g}_{a}x$ to be defined "x" should be any positive real number and "a" should any positive real number except 1.