Math, asked by shilpasingla121, 7 months ago

find the value of x , so that (2^-1 +4^-1+6^-1+8^-1)^x =625/576​

Answers

Answered by pulakmath007
4

SOLUTION

TO DETERMINE

The value of x such that

 \displaystyle \sf{ \bigg( {2}^{ - 1}  +  {4}^{ - 1} +  {6}^{ - 1}  +  {8}^{ - 1}  \bigg) }^{x}  =  \frac{625}{576}

EVALUATION

 \displaystyle \sf{ \bigg( {2}^{ - 1}  +  {4}^{ - 1} +  {6}^{ - 1}  +  {8}^{ - 1}  \bigg) }^{x}  =  \frac{625}{576}

 \displaystyle \sf{  \implies \: \bigg(  \frac{1}{2}   +   \frac{1}{4}  +   \frac{1}{6}  +   \frac{1}{8}   \bigg) }^{x}  =  \frac{625}{576}

 \displaystyle \sf{  \implies \: \bigg(  \frac{12  + 6 + 4 + 3}{24}   \bigg) }^{x}  =  \frac{625}{576}

 \displaystyle \sf{  \implies \: \bigg(  \frac{25}{24}   \bigg) }^{x}  =  \frac{625}{576}

 \displaystyle \sf{  \implies \: {\bigg(  \frac{25}{24}   \bigg) }^{x}  =  {\bigg(  \frac{25}{24}   \bigg) }^{2} }

 \displaystyle \sf{  \implies \: x = 2}

FINAL ANSWER

The required value x = 2

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