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If the inverse of the matriix [(alpha,14...

If the inverse of the matriix `[(alpha,14,-1),(2,3,1),(6,2,3)]` does not exist, then the vlaue of `alpha` is

A

`1`

B

`-1`

C

`0`

D

`-2`

Text Solution

Verified by Experts

The correct Answer is:
D
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NIKITA PUBLICATION-MATRICES-MULTIPLE CHOICE QUESTIONS
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  3. If A=[[2, 2], [-3, 2]] and B=[[0, -1], [1, 0]], then (B^(-1)A^(-1))^(-...

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  4. If A=[[4, 1], [2, 3]] and B=[[2, 1], [0, -2]], then (AB)^(-1)=

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  5. If A=[[2, 3], [1, 2]], B=[[3, 1], [0, 3]] then B^(-1)A^(-1)=

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  6. If A=[[2, 3], [7, 11]], B=[[1, 0], [3, 1]] then (AB)^(-1)=

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  7. If F(alpha)=[(cosalpha, -sinalpha,0),(sinalpha, cosalpha, 0),(0,0,1)] ...

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  8. Let A=((1,0,0),(2,1,0),(3,2,1)). If u(1) and u(2) are column matrices ...

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  10. If [(x-y-z),(-y+z),(z)]=[(0),(5),(3)] then the values of x,y and z are...

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  11. If [[1, 1, 1], [1, -2, -2], [1, 3, 1]][[x], [y], [z]]=[[0], [3], [4]],...

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  12. If A=[[1, -1, -2], [2, 1, 1], [4, -1, 2]], B=[[3], [5], [11]], X=[[x],...

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  13. If [[x], [y], [z]]=(1)/(40)[[5, 10, -5], [-5, -2, 13], [10, -4, 6]][[5...

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  14. The values of x, y, z for the equations x+y+z=1, 2x+3y+2z=2, ax+ay+2az...

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  16. The values of x, y, z for the equations x-y+z=1, 2x-y=1, 3x+3y-4z=2 ar...

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  17. The values of x, y, z for the equations x+y+z=6, 3x-y+2z=7, 5x+5y-4z=3...

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  18. Solve the following equations by the method of reduction 2x-y+z=1, x...

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  19. If the inverse of the matriix [(alpha,14,-1),(2,3,1),(6,2,3)] does not...

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  20. if A=[[2,-3],[-4,1]] then (3A^2+12A)=?

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