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West Bengal Mathematics

5. Linear Simultaneous Equations

1. Real Numbers
2. Laws of Indices
3. Graph
4. Co-ordinate Geometry: Distance Formula
5. Linear Simultaneous Equations
6. Properties of Parallelogram
7. Polynomial
8. Factorisation
9. Transversal and Mid-Point Theorem
10. Profit and Loss
11. Statistics
12. Theorems on Area
13. Construction: (Construction of a Parallelogram whose measurement of one angle is given and equal in area of a triangle)
14. Construction: (Construction of a triangle equal in area of a quadrilateral)
15. Area and Perimeter of Triangle and Quadrilateral Shaped Region
16. Circumference of Circle
17. Theorems on concurrence
18. Area of Circular Region
19. Co-ordinate Geometry: Internal and External Division of Straight Line Segment
20. Co-ordinate Geometry: Area of Triangular Region
21. Logarithm

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1 A 1 B 1 C 1 D 2 A 2 B 2 C 2 D 3 A 3 B 3 C 3 D 4 A 4 B 4 C 4 D 4 E 4 F 5 A 5 B 5 C

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1 A 1 B 2 3 4 A 4 B 4 C 4 D 4 E 4 F 4 G 4 H 4 I 4 J 4 K 4 L 4 M 4 N 4 O 4 P

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1 2 3 A 3 B 3 C 3 D 4 5 A 5 B 5 C 5 D 5 E 5 F 5 G 5 H 5 I 5 J 5 K 5 L

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1 2 3 A 3 B 4 A 4 B 4 C 4 D 5 A 5 B 5 C 5 D 5 E 5 F 5 G 5 H

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Q. 114.0( 9 Votes )

Let us solv

Class 9th West Bengal Mathematics 5. Linear Simultaneous Equations

Answer :

x - y - 2a = 0

ax + by - (a² + b²) = 0

To solve the equation by cross multiplication method, we use:

Putting the values, we get:

So, and

⇒ x = (a + b) and y = (b - a)

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