The transformation that takes x to 2x+1 is a linear transformation.
错误
举一反三
- Every matrix transformation is a linear transformation.
- Every matrix transformation is a linear transformation. A: 正确 B: 错误
- Not every linear transformation from [img=22x19]1803b6a8affc14b.png[/img]to [img=25x19]1803b6a8b9210ff.png[/img]is a matrix transformation.
- 5.1.7 “Three Dimension Transformations”, Linguistic Dimension Transformation, Cultural Dimension Transformation and Communicative Dimension Transformation.
- The transformation between coordinate systems contains translation and rotation transformation.
内容
- 0
若随机变量X~U（0，3），则P{-1〈X〈2}=（），E（X）=（），D（2X+1）=（）.
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将多项式2x4一x3-6x2一x+2因式分解为(2x一1)q(x)，则q(x)等于( )． A: (x+2)(2x一1)2 B: (x一2)(x+1)2 C: (2x+1)(x2一2) D: (2x—1)(x+2)2 E: (2x+1)2(x一2)
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The fundamental principle in accordance with which all energy transformation in an electric circuit takes place has been already discussed.
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设随机变量X的分布律为P(X=1)=0.4, P(X=2)=0.6， 则 D(2X+1)=（ ）
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x+1/x-1-x²-2x/x²-1÷x²-x-2/x²+2x+1化简