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| 1. |
For real values of , the minimum value of the function () exp () + exp (- ) is |
| Answer» f(x) = ex + e-x f(x) = ex - ex f(x) = 0 ⇒ ex - e-x = 0 f'(x) = ex + e-x ⇒ +ve for x = 0 Thus minimum. Minimum f(x) = e0 + e0 = 2. | |