In Exercises 21-24, find a basis for N(A) and give the nullity and the rank of A. ·[₁ 21. A = 1 2 -2-4 22. A = -1 2 0 2-5 1

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Q: 906 Chapter 15 Multiple Integrals 0 R FIGURE 15.13 The region of integration in Example 2. R _x² +…

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