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Applied Grand Test 2
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Nov 22, 2021
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What is the value of the given determinant ?
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ankit3009
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Nov 30, 2021
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Yes correct @anshuman66.
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ankitgupta.1729
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Dec 1, 2021
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@ankit3009, determinant is a number associated with square matrices. Since, $3 \times \det( \frac{1}{4} A )^{−1}$ is a value, not a square matrix, so you can’t find determinant of it.
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Dec 1, 2021
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Understood Sir. Thank you :)
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det(3(1/4A)-1) = det(3(1/4)-1A-1) = det(3.4A-1) = det(12 A-1) = 123 * |A-1| = 123 * 1/|A| = 123 * 1/(-2) =-864
Ratul Chatterjee
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