Solve for x:
log3(x3)+log1/9(x)<1
(0,81)
(−∞,1)
(−∞,−2)∪(−2,−1)∪(−1,0)
None of these.
Put log3x=t to obtaint−12t<2 or t<4 ⇒x<81
3(9x)<8(3x)+3