A is a 5 x 5 matrix with rank 3 and sequence of columns 1 0-0-0 00 1 2 (а1, а2, аз, ад, аs) where aj 1 , a2 = 1 , az = 2 1 4 1 -3 1 -1 -3 The null space of A is spanned by the vectors 1 -1 1 1 Which of the following is sum of the entries in a4 + az? O 20 62 O 18 O 54 О 52

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Linear Algebra

In mathematics, problems can be solved by the arithmetic operators like addition, subtraction, multiplication, and division. In algebra, we represent the numbers by any letter called a variable. If these variables are of degree 1, then it is studied under linear algebra. The first-degree equations involving algebraic expressions are called linear equations. That is, if you represent it by drawing a graph you will get a straight line.