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Matrices y determinantes

Authored by Ana Cristina Ruiz

Mathematics

12th Grade

Used 35+ times

Matrices y determinantes
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11 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Calcula 

 A57A^{57}   siendo A la matriz de la imagen

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Calcula  A68A^{68}  siendo A la matriz de la imagen

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resuelve la ecuación matricial  AX-I=2B^2   

 X=A1(2B2+I)X=A^{-1}\cdot\left(2B^2+I\right)  

 X=(2B2+I)A1X=\left(2B^2+I\right)\cdot A^{-1}  

 X=2A1B2X=2\cdot A^{-1}\cdot B^2  

 X=2B2A1X=2B^2A^{-1}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Resuelve la ecuación matricial  AXB=C t AXB=C^{\ t\ }   

 X=B1Ct A1X=B^{-1}\cdot C^{t\ }\cdot A^{-1}  

 X=A1B1C tX=A^{-1}\cdot B^{-1}\cdot C^{\ t}  

 X=A1Ct B1X=A^{-1}\cdot C^{t\ }\cdot B^{-1}  

 X=C tA1B1X=C^{\ t}\cdot A^{-1}\cdot B^{-1}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sea  A   una matriz cuadrada de orden 3 cuyo determinante es  A=12\left|A\right|=\frac{1}{2}   . Halla  A3\left|A^3\right|  

 A3=18\left|A^3\right|=\frac{1}{8}  

 A3=16\left|A^3\right|=\frac{1}{6}  

 A3=32\left|A^3\right|=\frac{3}{2}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sea  A  una matriz cuadrada de orden 3 cuyo determinante es  A=12\left|A\right|=\frac{1}{2}  . Halla  A1\left|A^{-1}\right|  

 A1=2\left|A^{-1}\right|=2  

 A1=12\left|A^{-1}\right|=\frac{-1}{2}  

 A1=12\left|A^{-1}\right|=\frac{1}{2}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sean  A   una matriz cuadrada de orden 3 cuyo determinante es  A=12\left|A\right|=\frac{1}{2} . Halla  \left|-2A\right|  

 2A=4\left|-2A\right|=-4  

 2A=4\left|-2A\right|=4  

 2A=1\left|-2A\right|=-1  

 2A=1\left|-2A\right|=1  

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