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JEE Main 2022 Mathematics question

MathematicsApplication of DerivativesJEE Main 2022

Let S be the set of all natural numbers, for which the line x/a + y/b = 2 is a tangent to the curve at the point (a, b), ab . Then :

Answer: (4)

Solution

Differentiating : . At (a, b) this gives (n/a) + , so =

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Question ID VK-025352