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Find the value of x for which A=[(e^(2x+...

Find the value of x for which A=`[(e^(2x+1),e^(x-2)),(e^(2-x),e^(x-7))]`is singular:

A

-3

B

3

C

2

D

-2

Text Solution

Verified by Experts

The correct Answer is:
C
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PREMIERS PUBLISHERS-MATRICES AND DETERMINANTS-PROBLEMS FOR PRACTICE .(II CHOOSE THE CORRECT OPTION FROM THE FOLLOWING)
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  3. Find the value of x for which A=[(e^(2x+1),e^(x-2)),(e^(2-x),e^(x-7))]...

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  7. If A and B are square matrix of same order then (A-B)^(T) is:

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  9. Evaluate |(45,71,26),(35,-21,14),(77,50,40)|:

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  14. If |(3x+4y,-3),(2,x+2y)|=|(7,-3),(2,3)|then x and y are

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  16. If A=(a(ij))(2xx3),B=(b(ij))(2xx3)then the order of AB will be

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  17. If A=(a(ij))(2xx2).Where a(ij) is given by (i-2j)^(2)then A is:

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  18. If A=[(1,2),(0,1)]then A^(4) is:

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  19. If A is a square matrix such that A^(2)=A,then the value of A+(A-I)^(4...

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  20. If A and B are symmetric matrices of same order than AB-BA is a:

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