Question

If $log_{10}2, log_{10}(2^x-1)$ and $log_{10}(2^x+3)$ are in $AP$, then $x$ =

• A. $log_25$
• B. $log_2(-1)$
• C. $log_2(1/5)$
• D. $log_5 2$

Answer 1

Answer: (A)

$log_25$

Answer 2

Answer (a) $log_25$