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Find the value of |{:(" "5," "3),(-7,-4)...

Find the value of `|{:(" "5," "3),(-7,-4):}|`

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CHETAN PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES -Problem Set - 1
  1. For drawing the graph of 4x+5y=19, if x=1, what is the value of y?

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  2. For simultaneous equations in x and y, if D(x)=25, D(y)=50 and D=5, th...

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  3. Find the value of |{:(" "5," "3),(-7,-4):}|

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  4. To solve x+y=3,3x-2y-4=0 by determinant method find D

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  5. ax+by=c and mx+ny=d. If an ne bm, then these simultaneous equations ha...

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  6. The general form of linear equation in two variables is ........

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  7. Solve the following simultaneous linear equations in two variables by ...

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  8. Find the value of x + y, if 12x+13y=29 and 13x+12y=21

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  9. Express the following in following in the mathematical form using x an...

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  10. Find the value of D(x), for solving the simultaneous equations 3x+4y=8...

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  11. ........ Is the solutions of given simultaneous equations x-y=7,x+y=1...

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  12. Solve the following simultaneous linear equations in two variables by ...

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  13. Solve the following simultaneous linear equations in two variables by ...

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  14. x+3y = -4 ; 5x-7y=68

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  15. The pair of simultaneous equations from the following is .......... ...

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  16. The equation of X-axis is of the form

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  17. The Co-ordinates of the point of origin are .....

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  18. If the value of the determinant |{:(m,-2),(2," "1):}| is 7 then valu...

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  19. The perimeter of rectangle is 64, is expressed in the mathematical equ...

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  20. The value of determinant |{:(5,2),(7,4):}| is ......

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