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Ans:It is a simple quadratic function with root 3 & 4.Simply draw the graph of f(x)f(x) < 0 for 3 < x < 4And similarly draw the graph of |f(x)||f(x)| > 0 for 3 < x < 4And in the region x < 3 & x > 4f(x) = |f(x)|Solution:3 < x < 4
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