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|{:(-11,2),(9, -4):}|=...

`|{:(-11,2),(9, -4):}|=`

A

13

B

`-13`

C

`26`

D

`-26`

Text Solution

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The correct Answer is:
C
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TARGET PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES -Chapter Assessment
  1. A three digit number is equal to 17 times the sum of its digits. If 19...

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  2. To draw the graph of 6x + 7y = 19, find x when y =1

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  3. If 2x - 3y = 14 and 5x + 2y = 16 than

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  4. |{:(-11,2),(9, -4):}|=

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  5. If the difference between two numbers is 36 and one number is 4 times ...

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  6. Find the value of the following determinates: |{:(3, -11),(7,9):}|

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  7. Find the value of the following determinates: |{:(4/7,(-6)/35),(2,...

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  8. For simultaneous equations in variables x and y, if Dx = -14, Dy =7 an...

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  9. Complete the following table to draw graph of the equations.

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  10. There are some instructions given below. Freme the equations form the ...

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  11. Solve the following simultaneous equations. 2x+3y = -4, x-5 y =11

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  12. Solve the following simultaneous equations by Graphical method : 4x-...

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  13. Solve the following simultaneous equations by using Cramer's rule: ...

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  14. Solve the following simultaneous equations : 16/(x+y)+2/(x-y)=1, 8...

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  15. The permeter of an isosceles triangle is 24 cm. The length of its cong...

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  16. Out of 1900 km, Vishal travelled some distance by bus and some by aero...

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  17. Draw the graphs representing the equations 2x-y=2 and 4x+3y=24 on the ...

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  18. Sum of two numbers is 97. If the greater number is divided by the the ...

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  19. Draw the graph of the equation x+2y=4 and 3x + 6y =12. What do you obs...

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  20. Cramer's rule, what is the nature of solution if D = 0? Explain with t...

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