Chapter 3 – Pair of Linear Equations in Two Variables
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For all real values of c, the pair of equations x – 2y = 8 and 5x – 10y = c have a unique solution. Justify whether it is true or false.
22
Nov
For all real values of c, the pair of equations x – 2y = 8 and 5x – 10y = c have a unique solution. Justify whether it is true or false. For all real values of c the pair of equations x – 2y = 8 and 5x – 10y = c have a [...]
For the pair of equations λx + 3y = -7 and 2x + 6y = 14 to have infinitely many solutions, the value of λ should be 1. Is the statement true? Give reasons.
22
Nov
For the pair of equations λx + 3y = -7 and 2x + 6y = 14 to have infinitely many solutions, the value of λ should be 1. Is the statement true? Give reasons. For the pair of equations λx + 3y = -7 and 2x + 6y = 14 to have infinitely many solutions [...]
For the pair of equations λx + 3y = -7 and 2x + 6y = 14 to have infinitely many solutions, the value of λ should be 1. Is the statement true? Give reasons.
22
Nov
For the pair of equations λx + 3y = -7 and 2x + 6y = 14 to have infinitely many solutions, the value of λ should be 1. Is the statement true? Give reasons. For the pair of equations λx + 3y = -7 and 2x + 6y = 14 to have infinitely many solutions [...]
Are the following pair of linear equations consistent? Justify your answer. (iv) x + 3y = 11; 2(2x + 6y) = 22
22
Nov
Are the following pair of linear equations consistent? Justify your answer. (iv) x + 3y = 11; 2(2x + 6y) = 22 Are the following pair of linear equations consistent? Justify your answer. (iv) x + 3y = 11; 2(2x + 6y) = 22 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations [...]
Are the following pair of linear equations consistent? Justify your answer. (iii) 2ax + by = a; 4ax + 2by – 2a = 0; a,b ≠ 0
22
Nov
Are the following pair of linear equations consistent? Justify your answer. (iii) 2ax + by = a; 4ax + 2by – 2a = 0; a,b ≠ 0 Are the following pair of linear equations consistent? Justify your answer. (iii) 2ax + by = a; 4ax + 2by - 2a = 0; a B = 0 [...]
Are the following pair of linear equations consistent? Justify your answer. (ii) 3/5x – y = 1/2, 1/5x – 3y = 1/6
22
Nov
Are the following pair of linear equations consistent? Justify your answer. (ii) 3/5x – y = 1/2, 1/5x – 3y = 1/6 1/5x – 3y = 1/6 Are the following pair of linear equations consistent? Justify your answer. (ii) 3/5x – y = 1/2 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations [...]
Are the following pair of linear equations consistent? Justify your answer. (i) -3x – 4y = 12; 4y + 3x = 12
22
Nov
Are the following pair of linear equations consistent? Justify your answer. (i) -3x – 4y = 12; 4y + 3x = 12 Are the following pair of linear equations consistent? Justify your answer. (i) -3x – 4y = 12; 4y + 3x = 12 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations [...]
Do the following equations represent a pair of coincident lines? Justify your answer. (iii) x/y +y + 2/5 = 0; 4x + 8y + 5/16 = 0
22
Nov
Do the following equations represent a pair of coincident lines? Justify your answer. (iii) x/y +y + 2/5 = 0; 4x + 8y + 5/16 = 0 Do the following equations represent a pair of coincident lines? Justify your answer. (iii) x/y +y + 2/5 = 0; 4x + 8y + 5/16 = 0 November [...]
Do the following equations represent a pair of coincident lines? Justify your answer. (ii) -2x – 3y = 1; 6y + 4x = -2
22
Nov
Do the following equations represent a pair of coincident lines? Justify your answer. (ii) -2x – 3y = 1; 6y + 4x = -2 Do the following equations represent a pair of coincident lines? Justify your answer. (ii) -2x – 3y = 1; 6y + 4x = -2 November 22, 2020 Category: Chapter 3 - [...]
Do the following equations represent a pair of coincident lines? Justify your answer. (i) 3x + 1/7 y = 3; 7x + 3y = 7
22
Nov
Do the following equations represent a pair of coincident lines? Justify your answer. (i) 3x + 1/7 y = 3; 7x + 3y = 7 Do the following equations represent a pair of coincident lines? Justify your answer. (i) 3x + 1/7 y = 3; 7x + 3y = 7 November 22, 2020 Category: Chapter [...]