Home
Class 12
MATHS
If y = a^(1/(1-log(a) x)) and z = a^(1/...

If ` y = a^(1/(1-log_(a) x)) and z = a^(1/(1-log_(a)y))",then prove that "x=a^(1/(1-log_(a)z))`

Text Solution

Verified by Experts

` log_(a) y = 1/(1 - log_(a) x)`
` rArr 1 - log_(a) y = 1 - 1/(1-log_(a) x)`
` = (-log_(a) x)/(1-log_(a)x)`
` or 1/(1-log_(a)y)=(1-log_(a)x)/(-log_(a) x)` ...(i)
` "But " z = a^(1/(1-log_(a)y))`
` rArr log_(a) z =1/(1=log_(a)y)=-1/(log_(a) x) +1`
` or 1/(log_(a)x) =1-log_(a)z`
` or log_(a) x = 1/(1-log_(a)z)`
` or x = a^(1/(1-log_(a)z)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • LOGARITHM AND ITS PROPERTIES

    CENGAGE ENGLISH|Exercise Example 1.5|1 Videos
  • LOGARITHM AND ITS PROPERTIES

    CENGAGE ENGLISH|Exercise Example 1.6|1 Videos
  • LOGARITHM AND ITS PROPERTIES

    CENGAGE ENGLISH|Exercise Example 1.3|1 Videos
  • LOGARITHM AND ITS APPLICATIONS

    CENGAGE ENGLISH|Exercise Subjective Type|9 Videos
  • MATHMETICAL REASONING

    CENGAGE ENGLISH|Exercise Archives|10 Videos

Similar Questions

Explore conceptually related problems

If y= 2^((1)/(log_(x)4)) then prove that x=y^(2) .

If x=log_(2a) a,y=log_(3a) 2a and z=log_(4a) 3a then prove that xyz+1=2yz

Knowledge Check

  • If log_(a)5=x and log_(a)7=y , then log_(a)sqrt(1,4)=

    A
    `(1)/(2)xy`
    B
    `(1)/(2)x-y`
    C
    `(1)/(2)(x+y)`
    D
    `(1)/(2)(y-x)`
  • Similar Questions

    Explore conceptually related problems

    If (1)/(log_(a)x) + (1)/(log_(b)x) = (2)/(log_(c)x) , prove that : c^(2) = ab .

    If (log x)/(y-z)=(logy)/(z-x) =(logz)/(x-y) , then prove that: x^x y^y z^z=1

    If y=a^(x^(a^x..oo)) then prove that dy/dx=(y^2 log y )/(x(1-y log x log y))

    Draw the graph of y=1/(log_(e)x)

    If log_(1/3) |z+1| > log_(1/3) |z-1| then prove that Re(z) < 0.

    If "log"_(y) x = "log"_(z)y = "log"_(x)z , then

    If y = (x-1)log(x-1)-(x+1)log(x+1) , prove that : dy/dx = log((x-1)/(1+x))