多项式\( f\left( x \right) = {x^3} - 3x + a \)在\( \left[ {0,1} \right] \)上有两个零点( )
多项式\( f\left( x \right) = {x^3} - 3x + a \)在\( \left[ {0,1} \right] \)上有两个零点( )
函数\( f\left( x \right) = {x^2} \)在区间\( \left[ {1,2} \right] \)上满足拉格朗日中值定理的数值\( \xi \)= ________。______
函数\( f\left( x \right) = {x^2} \)在区间\( \left[ {1,2} \right] \)上满足拉格朗日中值定理的数值\( \xi \)= ________。______
函数\( f\left( x \right) = 5{x^2} + x - 2 \)在区间\( \left[ {0,1} \right] \)上满足拉格朗日中值定理( )
函数\( f\left( x \right) = 5{x^2} + x - 2 \)在区间\( \left[ {0,1} \right] \)上满足拉格朗日中值定理( )
函数\( f\left( x \right) = {x^3} \)与\( g\left( x \right) = {x^2} + 1 \)在区间\( \left[ {1,2} \right] \)上不满足柯西中值定理。( )
函数\( f\left( x \right) = {x^3} \)与\( g\left( x \right) = {x^2} + 1 \)在区间\( \left[ {1,2} \right] \)上不满足柯西中值定理。( )
若\({y_1}\left( x \right), {y_2}\left( x \right)\)都是\(y' + P\left( x \right)y = Q\left( x \right)\)的特解,且 \({y_1}\left( x \right), {y_2}\left( x \right)\) 线性无关,则通解可表为\(y\left( x \right) = {y_1}\left( x \right) + C\left[ { { y_1}\left( x \right) - {y_2}\left( x \right)} \right]\)。
若\({y_1}\left( x \right), {y_2}\left( x \right)\)都是\(y' + P\left( x \right)y = Q\left( x \right)\)的特解,且 \({y_1}\left( x \right), {y_2}\left( x \right)\) 线性无关,则通解可表为\(y\left( x \right) = {y_1}\left( x \right) + C\left[ { { y_1}\left( x \right) - {y_2}\left( x \right)} \right]\)。
函数\( f\left( x \right) = x\sqrt {3 - x} \)在区间\( \left[ {0,3} \right] \)上满足罗尔定理的数值\( \xi \)= ______ .
函数\( f\left( x \right) = x\sqrt {3 - x} \)在区间\( \left[ {0,3} \right] \)上满足罗尔定理的数值\( \xi \)= ______ .
函数\( f\left( x \right) = 2{x^2} - x - 3 \)在区间\( \left[ { - 1,1.5} \right] \)上满足罗尔定理的点是 ________. ______
函数\( f\left( x \right) = 2{x^2} - x - 3 \)在区间\( \left[ { - 1,1.5} \right] \)上满足罗尔定理的点是 ________. ______
对于矩阵\[ A = \left[ {\begin{array}{*20{c}} 1&2\\ 0&1 \end{array}} \right] 与矩阵 B = \left[ {\begin{array}{*20{c}} 1&2\\ 2&1 \end{array}} \right], \]则` A `与` B `( ) </p></p>
对于矩阵\[ A = \left[ {\begin{array}{*20{c}} 1&2\\ 0&1 \end{array}} \right] 与矩阵 B = \left[ {\begin{array}{*20{c}} 1&2\\ 2&1 \end{array}} \right], \]则` A `与` B `( ) </p></p>
对如下两个div进行水平左右排列的CSS样式定义是( )。 [div id=”left”]左列 [div id=”right”]右列 A: left{float:left;} B: right{float:left;} C: left{float:left;} D: right{clear:both;} E: left{float:left;} .right{float:left;} F: left{float:left;} .right{ clear:both;}
对如下两个div进行水平左右排列的CSS样式定义是( )。 [div id=”left”]左列 [div id=”right”]右列 A: left{float:left;} B: right{float:left;} C: left{float:left;} D: right{clear:both;} E: left{float:left;} .right{float:left;} F: left{float:left;} .right{ clear:both;}
可以使单元格中的内容进行左对齐的正确 HTML 标签是________。 未知类型:{'options': ['[td align="left"]', '[td valign="left"]', '[td leftalign]', '[tdleft]'], 'type': 102}
可以使单元格中的内容进行左对齐的正确 HTML 标签是________。 未知类型:{'options': ['[td align="left"]', '[td valign="left"]', '[td leftalign]', '[tdleft]'], 'type': 102}