1.

Let f(x)=Sec^(-1)[1+cos^(2)x] where [.] denotes the greatest integer function I : Domain of f(x) is R II : Range of f(x) is {Sec^(-1)1, Sec^(-1)2}

Answer»

DOMAIN of F is R
domain of f is [1, 2]
domain of f is [2, 1]
range of f is `{SEC^(-1)1, sec^(-1)2}`

ANSWER :A::D


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