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Question
Complete the activity to find the value of the determinant.
Activity: `|(2sqrt3, 9),(2, 3sqrt(3))| = 2sqrt(3) xx square - 9 xx square`
= `square` – 18
= `square`
Solution
`|(2sqrt3, 9),(2, 3sqrt(3))| = 2sqrt(3) xx bb(3sqrt(3)) - 9 xx bb2`
= 18 – 18
= 0
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