22. Assertion (A) The domain of the function f(x) = sin-¹ √x – 1 is [1, 2].
Reason (R) The domain of the function cos-¹ (2x - 1) is (-1, 1).
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Answer:we have, f(x)=cos
−1
(2x−1)
∵−1≤2x−1≤1
⇒0≤2x≤2
⇒0≤x≤1
∴x∈[0,1]
Step-by-step explanation:
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