Math, asked by ketu99, 10 months ago

if log9X+log3X=3/2 then find x​

Answers

Answered by manetho
0

Answer:

1.0822

Step-by-step explanation:

log9X+log3X=3/2

log9 +logx +log3+logx=3/2

log9*3+logx*x=3/2

log27+logx^2=3/2

log27*x^2=3/2

taking antilog

27*x^2= 10^3/2

x^2= (10/9)^3/2

x=  (10/9)^3/4= 1.0822

Answered by pinquancaro
21

Answer:

The value of x is 3.      

Step-by-step explanation:

Given : Expression \log_9 x+\log_3 x=\frac{3}{2}

To find : The value of x?

Solution :

Expression \log_9 x+\log_3 x=\frac{3}{2}

\log_(3^2) x+\log_3 x=\frac{3}{2}

Apply logarithmic property, \log_{a^m} b=\frac{1}{m}\log_a b

\frac{1}{2}\log_(3) x+\log_3 x=\frac{3}{2}

\log_(3) x(\frac{1}{2}+1)=\frac{3}{2}

\frac{3}{2}\log_(3) x=\frac{3}{2}

\log_(3) x=\frac{3\times 2}{2\times 3}

\log_(3) x=1

Apply logarithmic property, \log_b y=x\Rightarrow b^x=y

x=3^1

x=3

Therefore, the value of x is 3.

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