If 2A = 3B = m and 1A + 1b = 2, then the value of real number m is () A. 6B. 16C. 6D. ±6

If 2A = 3B = m and 1A + 1b = 2, then the value of real number m is () A. 6B. 16C. 6D. ±6

∵ 2A = 3B = m ∵ m > 0 ∵ 2A = m 3B = m ∵ 1A = logm2, 1b = logm31a + 1b = logm2 + logm3 = logm6 = 2 ∵ M = 6, so a