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प्रश्न
Choose the correct alternative:
The rank of the unit matrix of order n is
पर्याय
n – 1
n
n + 1
n2
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उत्तर
n
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संबंधित प्रश्न
Find the rank of the following matrices
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Find the rank of the following matrices
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If A = `((1, 1, -1),(2, -3, 4),(3, -2, 3))` and B = `((1, -2, 3),(-2, 4, -6),(5, 1, -1))`, then find the rank of AB and the rank of BA.
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
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The rank of the matrix `((1, 1, 1),(1, 2, 3),(1, 4, 9))` is
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The rank of the diagonal matrix `[(1, , , , ,),(, 2, , , ,),(, , -3, , ,),(, , , 0, ,),(, , , , 0,),(, , , , ,0)]`
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The system of equations 4x + 6y = 5, 6x + 9y = 7 has
Find the rank of the matrix
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Find k if the equations 2x + 3y – z = 5, 3x – y + 4z = 2, x + 7y – 6z = k are consistent
