Let λεR. The system of linear equations.
2x₁ – 4x₂ + λx₃ = 1
x₁ - 6x₂ + x₃ = 2
λx₁ – 10x₂ + 4x₃ = 3
Is inconsistent for:
Let λεR. The system of linear equations.
2x₁ – 4x₂ + λx₃ = 1
x₁ - 6x₂ + x₃ = 2
λx₁ – 10x₂ + 4x₃ = 3
Is inconsistent for:
Option 1 - <p>Exactly one positive value of λ</p>
Option 2 - <p>Exactly one negative value of λ</p>
Option 3 - <p>Every value of λ</p>
Option 4 - <p>Exactly two values of λ</p>
4 Views|Posted 5 months ago
Asked by Shiksha User
1 Answer
A
Answered by
5 months ago
Correct Option - 2
Detailed Solution:
Here D = | 2 -4 λ |
| 1 -6 1 | = (λ-3) (3λ+2)
| λ -10 4 |
D = 0 ⇒ λ = 3, -2/3
Similar Questions for you
|2A| = 27
8|A| = 27
Now |A| = α2–β2 = 24
α2 = 16 + β2
α2– β2 = 16
(α–β) (α+β) = 16
->α + β = 8 and
α – β = 2
->α = 5 and β = 3
|A| = 3
|B| = 1
->|C| = |ABAT| = |A|B|A7| = |A|2|B|
= 9
->|X| = |A|C|2|AT|
= 3 * 92 * 3 = 9 * 92 = 729
|A| = 2
&nb
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Maths Ncert Solutions class 12th 2026
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