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$3-x$ $-1$ $1$ $-1$ $5-x$ $-1$ $1$ $=0.$ $1$ $-1$ $3-x$ $|$
10th-13th grade
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Solution
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Qanda teacher - Bhanu
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Student
it has to solved using properties of determinants
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Qanda teacher - Bhanu
that was not mentioned anywhere.
So, please mention it ask a different problem separately.