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The system of equations: X+Y+Z=5 X+2Y+3Z=9 X+3Y+λz=μ has a unique solution, if
Question
The system of equations:
X+Y+Z=5
X+2Y+3Z=9
X+3Y+λz=μ has a unique solution, if
A.
λ=5, μ=7
B.
λ=5, μ=13
C.
λ≠5
D.
μ≠13
Solution
Correct option is C
Given
x+y+z=5
x+2y+3z=9
x+3y+λz=μ
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