If log log2 (5 + log3 a) = 3 and log5 (4a + 12 + log2 b) = 3, then a + b is equal to
Log (402 - 202) is equal to
If log25 5 = a and log25 15 = b, then the value of log25 27 is
What is the solution of the equation x log10 (10/3) + log10 3 = log10 (2 + 3x) + x?
If x is a real number such that log3 5 = log5 (2 + x), then which of the following is true?
If log3 2, log3 (2x - 5), log3 (2x - 7/2) are in arithmetic progression, then the value of x is equal to