求解方程[img=248x27]1803072e717e3d3.png[/img]的命令是
A: Solve[(y-3)^3+(y+3)^3==9y(1-2y)]
B: Solve[(y-3)^3+(y+3)^3=9y(1-2y),y]
C: Solve[(y-3)^3+(y+3)^3==9y(1-2y),y]
D: NSolve[(y-3)^3+(y+3)^3==9y(1-2y),y]
A: Solve[(y-3)^3+(y+3)^3==9y(1-2y)]
B: Solve[(y-3)^3+(y+3)^3=9y(1-2y),y]
C: Solve[(y-3)^3+(y+3)^3==9y(1-2y),y]
D: NSolve[(y-3)^3+(y+3)^3==9y(1-2y),y]
举一反三
- 已知点()(()-()1(),()y()1())(),()(2(),()y()2())(),()(()-()3(),()y()3())()都在函数()y()=()x()2()的图象上,则()()A.()y()1()<()y()2()<()y()3()B.()y()1()<()y()3()<()y()2()C.()y()3()<()y()2()<()y()1()D.()y()2()<()y()1()<()y()3
- 双曲线4x²-9y²=1的渐近线方程为 A: y=±3/2x B: y=±2/3x C: y=±9/4x D: y=±4/9x
- 下列选项中函数solve应用正确的是( )。 A: solve(3*x+4*y=0, 2*y^2+x=0, x, y) B: solve‘3*x+4*y=0’, ’2*y^2+x=0’, ’x’, ’y’ C: solve(‘3*x+4*y=0’, ’2*y^2+x=0’, ’x’, ’y’) D: solve(‘3*x+4*y=0’, ’2*y^2+x=0’, x, y)
- 已知int x=1，y=2，z=3；执行if(x>y) z=x；x=y；y=z；后x，y，z的值为（ ） A: x=1，y=2，z=3 B: x=2，y=3，z=3 C: x=2，y=3，z=1 D: x=2，y=3，z=2
- 已知int x=1,y=2,z=3;以下语句执行后x,y,z的值是( ). if(x>y) z=x; x=y; y=z; A: x=1, y=2, z=3 B: x=2, y=3, z=3 C: x=2, y=3, z=1 D: x=2, y=3, z=2