Continuity and DifferentiabilityMedium
Question
f(x) = 1 + [cos x] x in 0 < x ≤ π/2 , where [.] denotes greatest integer function then -
Options
A.it is continuous in 0 < x < π / 2
B.it is differentiable in 0 < x < π / 2
C.its maximum value is 2
D.it is not differentiable in 0 < x < π / 2
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