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Q.If f(x)=x2−4x+3+x2+4x+3f(x) = \sqrt{x^2 - 4x + 3} + \sqrt{x^2 + 4x + 3}, then the range of f(x)f(x) is

a
[22,∞)[2\sqrt{2}, \infty)
b
[2,∞)[2, \infty)
c
[6,∞)[\sqrt{6}, \infty)
d
[3,∞)[\sqrt{3}, \infty)

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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