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The possible values of a such that the e...

The possible values of `a` such that the equation `x^2+2a x+a=sqrt(a^2+x-1/(16))-1/(16),xgeq-a ,` has two distinct real roots are given by: (a) `[0,1]` (b) `[-oo,0]` (c) `[0,oo]` (d) `(3/4,oo)`

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