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f(x)=2cos2x+3sin2x+5f(x)=2\cos^2x + \sqrt 3 \sin 2x + 5f(x)=2cos2x+3sin2x+5
Let xxx be a real number. If the range of f(x)f(x) f(x) is in the interval of [A,B] [A,B] [A,B], find A+BA+BA+B.
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