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函数y=3sinωx(ω>0)在区间[0,π]恰有2个零点,则ω的取值范围为( ...
函数y=3sinωx(ω>0)在区间[0,π]恰有2个零点,则ω的取值范围为( )
A.ω≥1
B.ω<3
C.1≤ω<3
D.1≤ω<2
考点分析:
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