• Предмет: Математика
  • Автор: mamadaliev2003
  • Вопрос задан 7 лет назад

Ребят, кто шарит помогите пожалуйста! 50баллов
С решением пожалуйста

Приложения:

Ответы

Ответ дал: LymarIvan
0

 log_{0.3}( frac{1}{0.09} )  =  - 2

 log_{2}( log_{2}( sqrt[4]{2} ) )  =  log_{2}( log_{2}( {2}^{ frac{1}{4} } ) )  =  log_{2}( frac{1}{4} ) =  - 2

 log_{6}(8)  -  log_{6}(2)  +  log_{6}(9)  =  log_{6}( frac{8 times 9}{2} )  =  log_{6}(36)  = 2

 log_{2}( log_{2}( sqrt[4]{2} ) )  =  log_{2}( log_{2}( {2}^{ frac{1}{4} } ) )  =  log_{2}( frac{1}{4} ) =  - 2  \  log_{5}(8)  -  log_{5}(2)  +  log_{5}( frac{25}{4} )  =  log_{5}( frac{8 times 25}{2 times 4} )  =  log_{5}(25)  = 2

 log_{35}(7)  +  frac{1}{ log_{5}(35) }  =  log_{35}(7)  +  log_{35}(5)  =  log_{35}(7 times 5)  =  log_{35}(35)  = 1

 log_{ sqrt{7} }( frac{1}{7} )  +  {3}^{ log_{3}(7) }  =  log_{ sqrt{7} }( frac{1}{7} )  + 7 =  - 2 + 7 = 5

 { sqrt{5} }^{ log_{5}(16) }  =   { ({5}^{ frac{1}{2} }) }^{ log_{5}(16) }  =  { ({5}^{ log_{5}(16) } )}^{ frac{1}{2} }  =  {16}^{ frac{1}{2} }  = 4

 {10}^{1 -  log(5) }  =  {10}^{1}  div  {10}^{ log(5) }  = 10 div 5 = 2

( log_{5}(36)  +  log_{5}(2)  -  log_{5}(8) ) log_{9}( frac{1}{25} ) =  log_{5}( frac{36 times 2}{8} )   log_{9}( frac{1}{25} )  =  log_{5}(9)  log_{9}( frac{1}{25} )  =  log_{5}(9)  log_{9}( {( 5)}^{ - 2} ) =  - 2 log_{5}(9)   log_{9}(5)  =  frac{ - 2 log_{5}(9) }{ log_{5}(9) }  =  - 2

 {( frac{1}{3} )}^{4 log_{ frac{1}{3} }(2) }  =   {( ({ frac{1}{3} )}^{ log_{ frac{1}{3} }(2) }) }^{4}  =  {2}^{4}  = 16

 log_{2}( frac{2}{3} )  +  log_{4}( frac{9}{4} )  =  log_{2}( frac{2}{3} )  +  log_{ {2}^{2} }( { frac{3}{2} )}^{2} )  =  log_{2}( frac{2}{3} )  +  log_{2}( frac{3}{2} )  =  log_{2}( frac{2}{3}  times  frac{3}{2} )  =  log_{2}(1)  = 0

 sqrt{ {25}^{ frac{1}{ log_{6}(5) }  }  +  {49}^{ frac{1}{ log_{8}(7) } } }  =  sqrt{ {25}^{ log_{5}(6) } +  {49}^{ log_{7}(8) }  }  =  sqrt{ { ({5}^{2}) }^{ log_{5}(6) } +  { ({7}^{2} )}^{ log_{7}(8) }  }  =  sqrt{ { ({5}^{ log_{5}(6) }) }^{2} +  { ({7}^{ log_{7}(8) } )}^{2}}   =  sqrt{ {6}^{2} +  {8}^{2}  }  =   sqrt{36 + 64}  =  sqrt{100}  = 10

Вас заинтересует