15. Compute the determinant by cofactor expansion. 30 4 (a) 23 2 05 2-2 3 (b) 3 2 -1 1 400 5 172-5 (c) 300 0 8 31 7 3 5 -6 0-2 3 -3 (d) 1 5 0 0 0 40-7 3-5 00 2 0 0 4-8 50 5 2-3 00 9 -1 2 213 7 (e) 73-6 4 ܢ ܕܗܘ ܘܘ

Q: 2. A = a 8 2 If A = , find the values of a, B and Y.

A: The solution is given as

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A: mode is most frequency value

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A:

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A:

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A:

Q: None

A: A∩B={5,6}

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A: The given Venn diagram is:

Q: e following could

A: The graph shows a linear graph.

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A:

Q: 4. 2.

A:

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A:

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A: r: correlation coefficient. This determines the level of relationship between 2 variables. Its value…