Final Answer:
Vector a = 2v - 3u.
Vector b = (1/2)u + (3/2)v - (5/2)w.
Vector a = 2v - 3u.
Step-by-step explanation:
To express vector a in terms of other vectors, we use scalar multiplication and vector addition. Vector a is composed of 2v and -3u.
Vector b is written in terms of other vectors by combining scalar multiples of u, v, and w. The coefficients are chosen to match the components of vector b.
The expression for vector a is repeated to emphasize its composition in terms of u and v. This helps provide clarity on how a is constructed using the given vectors.