The set of all solutions of the inequality (1/2)x squared - 2x​ < (1/4) contains the set ....

12x2-2x<1412x2-2x<122x2-2x>2x2-2x-2>0Now,x2-2x-2=0x=2±4-41-22=2±122=2±232=1±3Consider the intervals,-,1-3,1-3,1+3,1+3,In interval  -,1-3Consider x=-2x2-2x-2=4+4-2=6>0In interval  1-3,1+3Consider x=0x2-2x-2=0+0-2=-2<0In interval  1+3,Consider x=4x2-2x-2=16-8-2=6>0So, solution is  x -,1-3  1+3, .

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