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The value of x, for which the matrix A =...

The value of x, for which the matrix A = `[(e^(x-2),e^(7+x)),(e^(2+x),e^(2x+3))]` is singular is

A

7

B

6

C

9

D

8

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FULL MARKS-EXAMINATION QUESTION PAPER MARCH 2019-MATHEMATICS
  1. The value of x, for which the matrix A = [(e^(x-2),e^(7+x)),(e^(2+x),e...

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  2. The n^(th) term of the sequence 2, 7, 14, 23, ….is:

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  3. int (sec x)/(sqrt(cos 2 x )) dx is

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  4. The line x/a-y/b=0 has the slope 1,if:

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  5. The number of 5 digit numbers all digits of which are odd is

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  6. If f(x)={{:(2a-x","" for "-altxlta),(3x-2a","" for "xgea):} then ...

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  7. A number is selected from the set {1, 2, 3,.., 20}. The probability Th...

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  8. Which of the following is not a periodic function with period 2pi?

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  9. Straight line joining the points (2,3) and (-1,4) passes through the p...

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  10. The minimum and the maximum values of |cos x|-2 are respectively …………

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  11. If f(x)=x^(2)-3x, then the points at which f(x)=f'(x) are

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  12. The unit vector parallel to the resultant of the vectors hati+hatj-hat...

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  13. It is given that the events A and B are such that P(A) = 1/4, P (A//B)...

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  14. If veca,vecb are the position vectors A and B then which one of the fo...

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  15. If |x+2| le 8, then x belongs to ………..

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  16. The expansion of (1-x)^-2 is?

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  17. If f : R to R is defined by f (x) = |x| -5, then the range of f is ……...

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  18. Which one of the following is true about the matrix [(1,0,0),(0,0,0),(...

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  19. Write the value of Horizontal component .

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  20. Write the relationship between Permutation and Combination?

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