55. The domain of function f(x) = l...
Question
Fullscreen

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)

JEE/Engineering Exams
Maths
Solution
30
Rating
4.0 (1 ratings)
Fullscreen
( 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} )
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free