Logarithms Q15

15.      The value of log343 7 is

             A.  1/3         B.  - 3

             C.  - 1/3       D.  3

Answer:

Let log3437            = n.

Then, 343n = 7

= (73)n = 7.

‹=›3 n = 1

‹=›n = 1/3.

log343 7      = 1/3.