Samyak Gupta9 Years agoWe can write 500 as 2*2*5*5*5Then logb^500 = logb ^(2*2*5*5*5) But logax +logay= log a^xySo logb^500 = logb4+ logb125 = logb^2² + logb^5³ = 2a + 3c