For -1<=p<=1 , the equation 4x^3-3x-p ...

For `-1<=p<=1` , the equation `4x^3-3x-p = 0` has 'n' distinct real roots equation in the interval `[1/2,1]` and one its root is `cos(kcos^-1p)`, then the value of `n+1/k` is :

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