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Home  >>  AIMS  >>  Class11  >>  Math  >>  Relations and Functions
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Let $f : R \to R$ be defined as $f(x) = 2x + |x|,$ then $f(2x) + f(-x) - f(x) =$

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(B) 2 |x|
Hence B is the correct answer.
answered Jun 12, 2014 by meena.p
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