Precalculus Examples
Step 1
The identity matrix or unit matrix of size is the square matrix with ones on the main diagonal and zeros elsewhere.
Step 2
Multiply by each element of the matrix.
Step 3
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Rearrange .
Step 4
Multiply the scalar and the identity matrix.
Step 5
Simplify.