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CGP EDU Academic Team
Published on: August 13, 2026
Find m such that following functions becomes monotonic (invertible).
(i) f(x) = e x + me –x (ii) f(x) = 
x
3 + (m –1)x 2 + 2x + 1
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. (i) m ∈ (– ∞ , 0]
(ii) m ∈ (– ∞ , – 3] ∪ [1, ∞ )
(iii) m ∈ [–7, – 1) ∪ [2, 3]
(iv) m ∈ [1, ∞ )
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