(a) Let V be as defined below. 221 -13 -8 4 V = 6 -13 5 -9 {v1,v2,v3,v4}={ { 14, -8, -4, -4, 4}, { -2, 0, { 22, -8, -13, -9, 9}, {-13, 4, 6, 4, 0}, 5, 3, -7}} Is v a linearly independent set? Explain.

Q: Real Analysis Show that the intersection of two closed sets is a closed set.

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Q: true or false and why ? The set [0,1] has the same cardinality as ℝ .

A: True. See the attachment

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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.