根号下：ax²+4ax+3 ,此函数的定义域为R,则实数a的范围是……如题↑↑
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/15 09:52:25
xVN"Y~J&iFƞD!|fˉл@(5#$ pϭ[+_ϭg7YLR!p|;?f6tP {ď?eZ<:,M vFgWS%''D36B AMAV 8O:IOW.BX_ICT( D#ZQR'J[/ΜZƷ~<*aw5[RyϾ΅|bԥϥq/Oo%
FV،qgyNj|Di,-&枳-2ZlCBY{"21+k/۴`O&Z{DkyP,5.(37 2+hY/ =T?'kcġur ?c12swױ`@(-!v㮾_AMbUQIb|zۄ쑓@-j
qy0W/r'g˩
r5P*J ͒gdk%c`of
1Xcb*\4{oBدlόkb )ů_,ttDe:QTV
hO,1J0t>-No*8F _@zH{/0! v31o郎Hp;p*ڶf0. s}r