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Solve: x+y=a+b ; a x-b y=a^2-b^2...

Solve: `x+y=a+b` ; `a x-b y=a^2-b^2`

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RD SHARMA ENGLISH-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-All Questions
  1. Solve 4/x+5y=7 and 3/x+4y=5

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  2. Solve the following system of equations in xa n dy a x+b y=1 b x+a y...

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  3. Solve: x+y=a+b ; a x-b y=a^2-b^2

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  4. (xy)/(x+y)=6/5 ; (xy)/(y-x)=6

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  5. Solve: 3x - (y+7)/11+2 =10 and 2y+ (x+11)/7 =10

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  6. Solve x-y+z=4, x+y+z=2, 2x+y-3z=0

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  7. (44)/(x+y)+(30)/(x-y)=10 (55)/(x+y)+(40)/(x-y)=13

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  8. Solve: x+2y+z=7, x+3z=11, 2x-3y=1

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  9. 6/(x+y)=7/(x-y)+3, 1/(2(x+y))=1/(3(x-y))

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  10. Determine graphically the vertices of a trapezium, the equations of ...

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  11. Determine, graphically whether the system of equations x-2y=2,4x-2y=5 ...

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  12. Solve the following system of equations by using the method of elimi...

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  13. Solve the following system of equations: 1/(2x)-1/y=-1 and 1/x+1/(2y)...

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  14. Solve: 4x+6/y=15 6x-8/y=14 and hence find p if y=p x-2

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  15. Solve:3(2u+v)=7u v, 3(u+3v)=11 u v

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  16. Sol v e :1/(2(2x+3y))+(12)/(7(3x-2y))=1/2 7/(2x+3y)+4/(3x-2y)=2 wher...

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  17. Solve: 217 x+131 y=913 131 x+217 y=827

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  18. The area of the triangle formed by the lines 2x+3y=12 ,x-y-1=0 and x=0...

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  19. The students of a class are made to stand in rows. If 3 students are ...

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  20. A wizard having powers of mystic incantations and magical medicines se...

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