3. Let A be mxnand B be nxm. a) Show that the matrices C = BA) b) Conclude that the nonzero eigenvalues of AB are the same as those of BA. AB 0 B 0 and D= a 0 B BA are similar.

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Q: i) Find the exact length of the curve y=+15x52 4x3 1 ≤ x ≤ 2,

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Q: (1) Use the definition to prove that if x → 2 then (2x+1)/x → 5/2.

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A: Given : z=1-x2-y2             F ⇀ =z-yi^+x -zj^  +x-yk^ Verify : Stokes's Theorem

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