`log_x 729 = 3`

From the definition of logarithm,

⇒ `729 = x^3`

But `729 = 9^3`

Hence,

⇒ `9^3 = x^3`

since we have equal exponents in both sides, hence bases are equal

i.e `x = 9`

∴ Value of `x` is 9.

Sorry, it's under construction !

Sorry, it's under construction !