समीकरण cos (3 cos^(-1) (x -1)) = 0 को सं...

समीकरण `cos (3 cos^(-1) (x -1)) = 0` को संतुष्ट करने वाले `x` के मानों की संख्या हैं:

`0`

`1`

`2`

`3`

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The correct Answer is:

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