Q. 4 For real values of x , the minimum value of the function
f (x) = exp(x) + exp(- x) is
(A) 2
(B) 1
(C) 0.5
(D) 0
Answer: A
Explanation:
Q. 4 For real values of x , the minimum value of the function
f (x) = exp(x) + exp(- x) is
(A) 2
(B) 1
(C) 0.5
(D) 0
Answer: A
Explanation:
