" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= ³ log 7 - ³ log 7³ + ³log 81^1/2 - ³ log 63
= ³ log 7 - ³ log 343 + ³log √81 - ³ log 63
= ³ log 7 - ³ log 343 + ³log 9 - ³ log 63
= ³ log ( 7 / 343 x 9 / 63)
= ³ log ( 1/ 49 x 1/7)
= ³ log 1/343
= ³ log 1/7³
= ³ log 7⁻³
= - 3 ³log 7