I need an explanation Q3: a) Solve differential equation ý - 3y = e³x 12 x + 39 b) Consider the vectors a = 3i-2j+7 K, and b = -5 i +4j-3k, find 1-a.b 2- Angle between a and b. 3- Vector component of a on b.

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A: Note : Since you have posted a question with multiple subparts, we will provide the solution only to…

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Q: a = 3i - 2j + 5k and b = -2i-j+k, find 2a-3b and also its unit vector.

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A: An equation of the form Ax=b is called the matrix equation, where A is an m×n matrix, x is an n×1…

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Q: y" + 3y' + 2y = 2x – 1, y(0) = 0, y' (0) = 0. %3D -

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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Q: Q2: If u = 2i +4j- 5k and v= -4i-8j+ak, (1) For what value or values of a will the vectors u and v…

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