JEE MATHEMATICS MCQ: INCREASING & DECREASING

1 Easy

1 of 1

Analyzing +4 | -1

a < 0

, the function

\left( {{e^{ax}} + {e^{ - ax}}} \right)

is a decreasing function for all values of

x

, where

View answer and explanation

Correct option: A

x < 0

Option A (

x < 0

) is correct because it satisfies the condition for the function to be decreasing when a < 0, derived from analyzing the sign of the derivative.

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