exam Maths Puzzle Numerical Ability


evaluate the determinant:

| 1 -3 2 0|
|-3 -1 0 -2|
| 2 1 3 1|
| 2 0 -2 0|</PRE>

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exam Other Question
I HAVE TO SOLVE AND GRAPH THE RESULT OF THIS PROBLEM.5/6X-5 >X/6-9 9A + 6B + 4A - 7B =