GPSC Class 1 - 2 2019 Paper 1

Question 167
DIFFICULTCorrect: +1Incorrect: -1

જો 2x=3y=12z2^{x}=3^{y}=12^{z}2x=3y=12z​ તો =1z1y==\frac{1}{z}-\frac{1}{y}=\ldots \ldots \ldots=z1y1=………​​

    a
    2x\frac{2}{x}x2​​
    b
    1x\frac{1}{x}x1​​
    c
    2x-\frac{2}{x}x2​​
    d
    1x-\frac{1}{x}x1​​