If x^yy^x=1, then what is dy dx at (1, 1) equal to?

NDA 2022 Mathematics question

If , then what is at equal to?

Answer: (A)

Taking logarithms: . Differentiating: $ x+ yx+

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-029360