\(\left| {\begin{array}{*{20}{c}} 2&4\\ 5&1 \end{array}} \right| = \left| {\begin{array}{*{20}{c}} {2x}&4\\ 6&x \end{array}} \right|\) के लिए x का मान ज्ञात कीजिए। 

1
x = ±√3
2
x = ±√2
3
x = ±√4
4
x = ±√5

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