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Let us find the value of a 3-dimensional determinant.

That is we press 3 = 1 = 1 = 1 = .....

You get the result.

In our example, the result is (-2). Match it now!

Let us find the value of a 3-dimensional determinant.

**Step**-1: Mode > 6**Step**-2: Press 1 or 2 or 3 to choose MatA, MatB or MatC respectively.**Step**-3: Choose Dimension. Here, we choose 1 as our's is a 3-dimensional matrix.**Step**-4: Enter the values row-wise. Press equal sign (=) after each input is made.That is we press 3 = 1 = 1 = 1 = .....

**Step**-5: Press AC button.**Step**-6: Press "Shift + 4" to get Matrix menu.**Step**-7: Select 7. You will see on screen "det("**Step**-8: Again press "Shift+7"**Step**-9: Now press 3 if you have chosen 1 in step 2 that is, if you Matrix were MatA and so on.**Step**-10: Close the parenthesis and press equal sign (=).You get the result.

In our example, the result is (-2). Match it now!

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