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JEE Advanced Mathematics question

MathematicsApplication of DerivativesJEE Advanced

The sum of two nonzero numbers is 8. The minimum value of the sum of their reciprocals is

Answer: (B)

Solution

Let the numbers be and . Then

y = Missing argument for \frac\frac1a + Missing argument for \frac\frac1{8-a} = , = .

. Just left of 4, $8 -

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Question ID VK-109410