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Solve the equation: |[3,x],[x,1]|=|[3,2]...

Solve the equation: `|[3,x],[x,1]|=|[3,2],[4,1]| `

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The correct Answer is:
`x=+-2sqrt(2)`
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MODERN PUBLICATION-DETERMINANTS-Exercise 4(a) (SHORT ANSWER TYPE QUESTIONS)
  1. Evalute the determinants in queations 1 and 2 : Find the values of x...

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  2. Evalute the determinants in queations 1 and 2 : Find the values of x...

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  3. Solve the equation: |[3,x],[x,1]|=|[3,2],[4,1]|

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  4. Find the value of 'x' if : |{:(3,x),(x,1):}|=|{:(5,2),(4,-1):}|

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  5. Find the value of 'x' if : |{:(2x,3),(5,2):}|=|{:(16,3),(5,2):}|, x ...

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  6. if |(x+1,x-1),(x-3,x+2)|= |(4,-1),(1,3)|. find the value of x.

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  7. Find the value of 'x' if : |{:(-1,2),(4,8):}|=|{:(2,x),(x,-4):}|

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  8. If |xx1x|=|3 4 1 2|, write the positive value of xdot

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  9. If A=[{:(1,3),(4,1):}], then find |3A'|.

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  10. |[3,-1,-2],[ 0, 0,-1],[ 3,-5, 0]|

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  11. Write the minor and cofactor of each element of second column in the f...

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  12. Evalute the determinants : (i) |{:(3,-1,-2),(0,0,1),(3,-5,0):}| (i...

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  13. Evalute the determinants : (i) |{:(3,-1,-2),(0,0,1),(3,-5,0):}| (i...

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  14. Evaluate the following determinants : |{:(3,-4,5),(1,1,-2),(2,3,1):}...

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  15. Evaluate the following determinants by two method : |{:(1,2,4),(-1,3...

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  16. Evaluate the following determinants by two method : |{:(0,2,0),(2,3,...

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  17. Evalute the determinants in queations 1 and 2 : If A = |{:(1,1,-2),(...

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  18. If A=[{:(2,1,1),(1,2,1),(1,1,2):}], then show that : |4A|=64|A|.

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  19. |(1!,2!,3!),(2!,3!,4!),(3!,4!,5!)|=?

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  20. If |{:(x+1,1,1),(1,x+1,1),(-1,1,x+1):}|=0, find the value of 'x'.

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