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सारणिकों के गुणधर्मों का प्रयोग करके निम्नलिखित प्रश्न को सिद्ध कीजिए।
`|(1,1+p,1+p+q),(2,3+2p,4+3p+2q),(3,6+3p,10+6p+3q)|=1`

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L.H.S`=|(1,1+p,1+p+q),(2,3+2p,4+3p+2q),(3,6+3p,10+6p+3q)|`
`=|(1,1+p,1+p+q),(0,1,2+p),(0,3,7+3p)|`
`(R_(2)toR_(2)-3R_(1),R_(3)toR_(3)-3R_(1))`
`=1|(1,2+p),(3,7+3p)|=(7+3p)-3(2+p)`
`=7+3-6-3p`
`=1=R.H.S`

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