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  1. Number of solution of the equation √x2 - x + 1 + 1/√x2 - x + 1 = 2 - x2 is
    1. 0
    2. 1
    3. 2
    4. 4
Correct Option: B

We know that, AM ≥ GM
∴ √a + 1/√a ≥ 2
Here, √x2 - x + 1 + 1/√x2 - x + 1 ≥ 2
⇒ 2 - x2 ≥ 2
⇒ x2 ≤ 0
⇒ x = 0
Hence, the given equation has only one solution.



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