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[" 11."lim(y rarr0)((x+y)sec(x+y)-x sec ...

[" 11."lim_(y rarr0)((x+y)sec(x+y)-x sec x)/(y)," is equal to "],[[" (A) "sec x(x tan x+1)," (B) "x tan x+sec x],[" (C) "x sec x+tan x," (D) none of these "]]

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