Question
The system of equations x + y + z =2, 3x − y + 2z =6 and 3x + y + z =−18 has
Answer: Option A
:
A
Given system of equation can be written as ⎡⎢⎣1113−12311⎤⎥⎦⎡⎢⎣xyz⎤⎥⎦=⎡⎢⎣26−18⎤⎥⎦
On solving the above system we get the unique solution x = -10, y = -4, z = 16.
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:
A
Given system of equation can be written as ⎡⎢⎣1113−12311⎤⎥⎦⎡⎢⎣xyz⎤⎥⎦=⎡⎢⎣26−18⎤⎥⎦
On solving the above system we get the unique solution x = -10, y = -4, z = 16.
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