Question

Oblicz x:

log_{2}16=x

log_{3}27=x

log_{5}5\sqrt{5}=x

log_{2}\frac{1}{4}=x

Answer 1

log₂16=x

  2^x=16

  2^x=2^4

   x=4

 

log₃27=x

  3^x=27

  3^x=3^3

    x=3

 

log{5}5√5=x

    5^x=5√5

    5^x=5^3/2

    x=3/2

 

log₂ 1/4=x

   2^x=1/4

   2^x=2^-2

     x=-2