CUSAT 2021 BTech Solved Paper Shift 2

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Question : 214 of 250

Marks: +1, -0

The domain of f(x)=cos−1(2x) is

(−1,1)
(−‌
1
2
,‌
1
2
]
[−1,‌
1
2
]
[−‌
1
2
,‌
1
2
]

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