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Consider the equation log2 ^2 x- x - 4 l...

Consider the equation `log_2 ^2 x- x - 4 log_2 x- m^2 -2m-13=0,mepsilon R.`Let the real roots of the equation be `x_1,x_2,` such that `x_1 < x_2`The set of all values of m for which the equation has real roots is `(i) (-infty ,0) (ii) (0,infty) (iii) [1, infty)(iv) (-infty,infty)`

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