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OpenStudy (anonymous):
find the sets of values of "x" for which 2x^2-4x-3 is greater than "x"
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OpenStudy (anonymous):
x < -1/2 or x > 3
OpenStudy (anonymous):
that is x belongs to the set (-1/2,3)
OpenStudy (sriram):
We want 2x^-4x-3 -x >0 hence f(x)= 2x^2-5x-3 f(x)=0 at x=-1/2 &3 f'(x)=4x-5 this is +ve for x>5/4 so for x>5/4 the quadratic is greater than x
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