For which values of a and b E R is the following piecewise function continuous on R? (sin(2x) + a x < 0 x² + 2x + 2 x = 0 f(x) = sin x +b x > 0 x Select one alternative: ○a = 2,b=1 a = 1, b = 2 O There are no such values of a and b O a = b = 1

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