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f(x) is differentiable function sattisfying the relationship f^2(x) + f^2 (y) + 2(xy - 1) = f^(2) (x + y) AA x, y in R . Also f(x)gt 0 A x in R, and f(sqrt2) = 2 . Then which of the following statements is//are correct about f(x)? |
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Answer» `[f(3) = 3([.] "is GIF")` |
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