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प्रश्न
Choose the correct alternative:
The system of equations 4x + 6y = 5, 6x + 9y = 7 has
विकल्प
a unique solution
no solution
infinitely many solutions
none of these
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उत्तर
no solution
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संबंधित प्रश्न
Find the rank of the following matrices
`((2, -1, 1),(3, 1, -5),(1, 1, 1))`
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.
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
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Which of the following is not an elementary transformation?
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If p(A) = p(A, B)= the number of unknowns, then the system is
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If p(A) ≠ p(A, B) =, then the system is
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If the number of variables in a non-homogeneous system AX = B is n, then the system possesses a unique solution only when
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For the system of equations x + 2y + 3z = 1, 2x + y + 3z = 3, 5x + 5y + 9z = 4
Choose the correct alternative:
If |A| ≠ 0, then A is
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If `|"A"_("n" xx "n")|` = 3 and |adj A| = 243 then the value n is
