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Let the equation of a curve is given in implicit form  as y = tan(x + y). Then d²y/dx² in terms of y is :

(A)   2(1 + y²)²/y²

(B)   2(1 + y²)/y⁶

(C)   -2(1 + y²)/y⁶

(D)   -2(1 + y²)/y⁵

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