Question

If log x2 – log2x = 3 log 3 – log 6 then x equals

Solution

Correct option is

9

 

Clearly x > 0. The given equation can be written as

2log x – log 2 – log x = 3 log – log 2 – log 3

⇒                      log x = 2log 3 ⇒ x = 9

SIMILAR QUESTIONS

Q1

The solution set of  

Q2

  

                  

Q3

The number of values of x Ïµ [0, ], n ϵ I that satisfy

     

Q5

Solution set of the inequality 

Q6

solution set of the inequality 

Q7

solution set of the inequality 

Q8

solution set of the inequality 

Q9

solution set of the inequality  is

Q10

If log0.5(x – 1) < log0.25(x – 1), then x lies in the interval.