Factorise the following by grouping pairs (1) a2_9a+3a_27

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

The value of cos 30° is the same as which of the following?

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.