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प्रश्न
Choose the correct alternative:
The system of linear equations x = y + z = 2, 2x + y – z = 3, 3x + 2y + k = 4 has unique solution, if k is not equal to
पर्याय
4
0
– 4
1
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उत्तर
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संबंधित प्रश्न
Find the rank of the following matrices
`((2, -1, 1),(3, 1, -5),(1, 1, 1))`
Find the rank of the following matrices
`((3, 1, -5, -1),(1, -2, 1, -5),(1, 5, -7, 2))`
Solve the following system of equations by rank method
x + y + z = 9, 2x + 5y + 7z = 52, 2x – y – z = 0
Show that the equations 5x + 3y + 7z = 4, 3x + 26y + 2z = 9, 7x + 2y + 10z = 5 are consistent and solve them by rank method
The price of three commodities, X, Y and Z are and z respectively Mr. Anand purchases 6 units of Z and sells 2 units of X and 3 units of Y. Mr.Amar purchases a unit of Y and sells 3 units of X and 2 units of Z. Mr. Amit purchases a unit of X and sells 3 units of Y and a unit of Z. In the process they earn ₹ 5,000/-, ₹ 2,000/- and ₹ 5,500/- respectively. Find the prices per unit of three commodities by rank method
An amount of ₹ 5,000/- is to be deposited in three different bonds bearing 6%, 7% and 8% per year respectively. Total annual income is ₹ 358/-. If the income from the first two investments is ₹ 70/- more than the income from the third, then find the amount of investment in each bond by the rank method
Choose the correct alternative:
The rank of the matrix `((1, 1, 1),(1, 2, 3),(1, 4, 9))` is
Choose the correct alternative:
If p(A) = r then which of the following is correct?
Choose the correct alternative:
The system of equations 4x + 6y = 5, 6x + 9y = 7 has
Find the rank of the matrix
A = `((1, -3, 4, 7),(9, 1, 2, 0))`
