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If a, `b ∈ [0,2pi]` and the equation `x^(2) + 4+3sin(ax+b)=2x` has atleast one solution, and the least `(+ve)`. Value of `a+b` is k then,

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3pi'/2
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AAKASH INSTITUTE-TRIGNOMETRIC FUNCTIONS -Section -G (Integer Answer type questions)
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