Question
Mathematics Question on Sequence and series
For the function f(x)= ecosx , Rolle’s theorem is
A
(A) applicable when π2≤x≤3π2
B
(B) applicable when 0≤x≤π2
C
(C) applicable when 0 ≤ x ≤π
D
(D) applicable when π4≤x≤π2
Answer
(A) applicable when π2≤x≤3π2
Explanation
Solution
Explanation:
f(π/2)=f(3π/2)