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let f r r be the function f x 1 1 e x the value of
Question:
Let f: R → R be the function
\(f(x) = \frac{1}{1+e^{-x}}\)
The value of the derivative of ƒ at x where f(x) = 0.4 is ______
(rounded off to two decimal places).
Note: R denotes the set of real numbers.
GATE DA - 2024
GATE DA
Updated On:
Jan 30, 2026
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Correct Answer:
0.24
Solution and Explanation
The correct answer is 0.24
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