The value of x 1 - 2- y -1- z 2 - 3- when x -9- y -3 and z -8 isA- 8B- 4C- 12D- 6

The correct option is B 4 [ x^1/2y^ 1. z^2/3 = ( 9 )^1/2.( 3)^ 1.( 8)^2/3; = ( 3^2)^1/2.( 3)^ 1.( 2^3)^2/3 = 3. 1/3. 2^( 3×2/3); ...

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Harmonic Mean

The value of ...

Question

The value of x $^{1 / 2}$ .y $^{- 1}$ . z $^{2 / 3}$ , when x = 9 , y = 3 and z = 8 is

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