Вычислить: 1) 2)
1) 2)
1) 2^(log(2)5 / log(5)2) - 5^log(2)5 = = 2^(log(2)5 * log(2)5) - 5^log(2)5 = = (2^log(2)5 )^log(2)5 - 5^log(2)5 = = 5^log(2)5 - 5^log(2)5 = 0 2) 3^( 2 + (log(3)4)/(log(4)3)) - 9*4^(1 / log(4)3) +4^(1 + log(4)25) = = 3^2 * (3^log(3)4)^log(3)4 - 9*4^log(3)4 +4*4^log(4)25 = = 3^2 * 4^log(3)4 - 9 * 4^log(3)4 +4*25 = = 9 * 4^log(3)4 - 9 * 4^log(3)4 +4*25 = 4*25 = 100