Question

qual o valor de Y= Log de 16 na base 2 + log de 1 na base 13 + log 1/25 na base 5

Answer 1

log 16 na base 2 =

( 2 ) x = ( 2 ) 4
x = 4

log 1 na base 13 =
( 13 ) x = ( 13 ) 0
x = 0
log 1 / 25 na base 5
( 5 ) x = ( 5 ) - 2
x = - 2

Y = 4 + 0 + ( - 2 )
Y = 4 - 2
Y = 2