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Without expanding the determinant prove...

Without expanding the determinant prove the following.
`|[2,7,65],[3,8,75],[5,9,86]|=0`

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`|[2,7,65],[3,8,75],[5,9,86]|=|[2+63,7,65],[3+72,8,75],[5+81,9,86]|=|[65,7,65],[75,8,75],[86,9,86]|`(by`C_1rarrC_1+9C_2`)
`=0 (becauseC_1=c_3)`
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A N EXCEL PUBLICATION-DETERMINANTS-QUESTION TYPE
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