Объяснение:
log 5 (9) + 1/log 1/3 (5)
1/log a (b) = log b (a)
log 5 (9) + log 5 (1/3)
log a (b) + log a (c) = log a (bc)
log 5 (9 * 1/3) = log 5 (3)
x=log 5 (3)
5x = 5 log 5 (3)
5x = log 5 (3^5)
5x = log 5 (243)
