Question

log10 x=a and log 10 y=b find xy

Answer 1

Heya user,

we use the Logarithm rule, log ( a * b ) = log a + log b

Now, here , log x + log y = ( a + b )
=> log ( xy ) = ( a + b )
=> xy = 10 ^ ( a + b )

.'. ---> xy = 10^( a + b )