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Byju's Answer
Standard XII
Mathematics
Change of Variables
f(x)=2x+|x| T...
Question
f(x)=2x+|x| Then find f(2x)+f(-x) -f (x)
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If f : R → R is given by f(x) = 2x + |x|, then f(2x) + f(–x) + 4x = _______________.
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