If `A=[[1,2],[4,2]]`, then show that `|2A|=4|A|`

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Exercise 4.1 | Q. No.3 | Class12-Chapter4 | MATHS || NCERT SOLUTIONS | DETERMINANTS | Class 12th

If `A=[[1,2],[4,2]]`, then show that `|2A|=4|A|`
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  6. Exercise 4.1 | Q. No.1 | Class12-Chapter4 | MATHS || NCERT SOLUTIONS | DETERMINANTS | Class 12th
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