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Problem
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$x+y+z=3$ $x+2y+3z=4$ $x+4y+9z=6$ $m$ $4^{°}$ $41$
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Solution
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Qanda teacher - Sayan Ray
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Student
I don't understand. What you have done
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Qanda teacher - Sayan Ray
Which step
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Student
4th to last
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Qanda teacher - Sayan Ray
Have you understand 4th and 5th equation
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Student
No
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Right Answer
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Qanda teacher - Sayan Ray
My answer is also right and my process is much less than this matrix method