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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

Column-I gives pair of curves and column-II gives the angle between the curves at their intersection point. array |l|l| Column-I & Column-II (A) y = x, y = x & (P) 4 (B) x^2 = 4y, y = 8 x^2+4 & (Q) 2 (C) x^2 18 + y^2 8 = 1, x^2 - y^2 = 5 & (R) ⁻¹ 3 (D) xy = 1, x^2 - y^2 = 5 & (S) ⁻¹ 5 & (T) ⁻¹(2 2 ) array

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