Home
Class 12
MATHS
If log(b) n = 2 and log(n) 2b = 2, th...

If ` log_(b) n = 2 and log_(n) 2b = 2`, then find the value of b.

Text Solution

Verified by Experts

The correct Answer is:
`2^(1//3)`

Eliminating n, we have ` log_(b) 2b = 4`
` or 2b = b^(4)`
` or b^(3) = 2`
` rArr b = 2^(1//3)`
Promotional Banner

Topper's Solved these Questions

  • LOGARITHM AND ITS PROPERTIES

    CENGAGE|Exercise Exercise 1.4|12 Videos
  • LOGARITHM AND ITS PROPERTIES

    CENGAGE|Exercise Exercise 1.5|13 Videos
  • LOGARITHM AND ITS PROPERTIES

    CENGAGE|Exercise Exercise 1.2|9 Videos
  • LOGARITHM AND ITS APPLICATIONS

    CENGAGE|Exercise Subjective Type|9 Videos
  • MATHMETICAL REASONING

    CENGAGE|Exercise JEE Previous Year|10 Videos

Similar Questions

Explore conceptually related problems

If log_(sqrt8) b = 3 1/3 , then find the value of b.

Let a= log_(3) 20, b = log_(4) 15 and c = log_(5) 12 . Then find the value of 1/(a+1)+1/(b+1)+1/(c+1) .

If log_(10) 2 = 0.3010 and log_(10) 3 = 0.477 , then find the number of digits in the following numbers: (a) 3^(40)" "(b) 2^(22) xx 5^(25)" (c) 24^(24)

If sum log_(2)x+log_(4) x + log_(16) x + log_(256) x + …=6, then find the value of x.

If a=(log)_(12)18 , b=(log)_(24)54 , then find the value of a b+5(a-b)dot

If log_(a) 3 = 2 and log_(b) 8 = 3," then prove that "log_(a) b= log_(3) 4 .

There are 3 number a, b and c such that log_(10) a = 5.71, log_(10) b = 6.23 and log_(10) c = 7.89 . Find the number of digits before dicimal in (ab^(2))/c .

Suppose that a and b are positive real numbers such that log_(27)a+log_9(b)=7/2 and log_(27)b+log_9a=2/3 .Then the value of the ab equals

Find the value of log_(2) 32

Prove log_(b)b = 1