. Hint: First write v3 as a linear combination of v1 and v2.
. Hint: The range of L is a 2-dimensional subspace of R3. Find the two basis vectors.
. Hint: To find the matrix representation A determine the effect of L on e1 and e2.
. Hint: To find the matrix representation A determine the effect of L on e1 and e2.
. Hint: The standard matrix representation for L is
Use U=(u1,u2) and A to determine the matrix representation of L with respect to {u1,u2}
.
(b) Hint: I=S−1IS.
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