-) Are these pairs of vectors orthonormal or only orthogonal or only linearly independer [:]; » [] 1 and 0.6 0.4 Cos O sin 0 1 0.8 -0.3 sin cos O Change the second vector when necessary to produce orthonormal vectors.

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Q: 4. Use the Laplace transform to solve the IVP a" + 4x' + 4x = 4e24, r(0) = 0, r' (0) = 1.

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