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mathdeptv2/工具v4/文本文件/metadata.txt

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ans
025088
$1$
025089
$(0,0)$
025090
$m$
025091
$5$
025092
$2x$
025093
$\mathrm{i}$
025094
$-\dfrac{3}{4}$
025095
$\dfrac{1}{2}\pm \dfrac{\sqrt{3}}{2}\mathrm{i}$
025096
$[-1,3]$
025097
$\dfrac{1}{2}$
025098
$(0,\dfrac{\pi}{2})$
025099
A
025100
A
025101
D
025102
(1) $6$; (2) $\pm 6$或$\pm 2\sqrt{11}$
025103
(1) $5$; (2) $\dfrac{-3\pm \sqrt{5}}{2}$
025104
(1) $2\sqrt{6}$; (2) $(\dfrac{\pi}{6},\dfrac{\pi}{4})$
025105
(1) $a=-\dfrac{\pi}{6}$, $b=0$, $f(x)=2\sin (2x+\dfrac{\pi}{3})$, 最小正周期为$\pi$, 对称轴为$x=\dfrac{k\pi}{2}+\dfrac{\pi}{12}$, $k\in \mathbf{Z}$; (2) $[1,2)$; (3) $\dfrac{5\pi}{12}$
032895
(1) \textcircled{1}是``含谷函数'', 谷点是$0$, \textcircled{2} 不是含谷函数, 理由略; (2) $(2,18)$; (3) $\sqrt{2}$