0 votes 0 votes If the function f(x) = [(x-2)3/a] sin(x-2) + a cos(x-2) , [∙] denotes greatest integer function, is continuous & differentiable in (4,6) then find ‘a’ range? (A) a ϵ (-∞,∞) (B) a ϵ [64, ∞) (C) a ϵ [128, ∞) (D) Not defined Sonu Kumar 1 asked Sep 6, 2017 Sonu Kumar 1 298 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.