Which one of the following statements is correct? Numbers `log _6 7, log_42, 7, log_294 7`

The number log_(2) 7 is

The number log_2 7 is :

a=log_5 3+log_7 5+log_9 7

Which of the following are correct? a. (log)_3 19.(log)_(1//7)3.(log)_4 1/7>2 b. (log)_5(1//23) lies between -2 &-1 c. \ If m=4^((log)_4 7)a n d\ n=(1/9)^(-(log)_3 7)t h e n\ n=m^4 d. (log)_(sqrt(5))sin(pi/5)dot(log)_(sqrt(sin(pi/5)))5 simplifies to an irrational number

Which of the following are correct? a.(log)_3 19.(log)_(1//7)3.(log)_4 1/7>2 b. (log)_5(1//23) lies between -2&-1 c. If m=4^((log)_4 7)a n d n=(1/9)^(-(log)_3 7)t h e n n=m^4 d. (log)_(sqrt(5))sin(pi/5)dot(log)_(sqrt(sin"pi"/5))5 simplifies to an irrational number

Which of the following are correct log_(3)19.log_((1)/(7))3.log_(4)((1)/(7))>2

Which of the following is(are) non-negative ? a. log_3(log_(1/7) (1/6)), b. 5^(log_2 3- 7^log_3 2, c. (log_(10) 5)^2-(log_(10) 2)^2+log_(10) 4-1, d. (log_(0.01)2)^(1/3)

The number log _(2)(7) is

Which of the following is correct? log_(5)sqrt(7sqrt(7sqrt(7.......)))>1