Question
( operatorname{ly}left[x+frac{1}{2}right]^{left(2 x^{2}+x-1right)} )
( 2 x^{2}+x-1>0 )
( 2 x^{2}+x>1>0 )
( Rightarrow quad 0.800 times 2 times 2 times 2 times-x-1>0 )
오 ( 2 x(x+1)-1(x+1)>0 )
( v(2 x-1)(x+1)^{2}>0 )
2) ( cos 8 x cdot frac{x}{-1} )
( x in(-infty,-1) cup({, infty) )
( [x+{]{2} mid )
( 2-x+2=[1,2) )
e) ( x otin[3,3 / 2)= )
( left[x+frac{1}{2}right) rightarrow 0, x> )
( frac{8}{x^{6}} cdot frac{f^{-0} cdot(1)}{2^{prime}, infty} )

55. The domain of function f(x) = log (2x2 + x - 1), where [.] denotes the greatest integer function is : 3 3.0 ®) (2,) (.) a.1) U (1,60)
Solution
