50. (Recommended) Suppose all vectors x in the unit square 0 ≤ x₁ ≤ 1,0 ≤ x₂ ≤ 1 are transformed to Ax (A is 2 by 2). (a) What is the shape of the transformed region (all Ax)? (b) For which matrices A is that region a square? (c) For which A is it a line? (d) For which A is the new area still 1?

Advanced Engineering Mathematics
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50. (Recommended)
Suppose all vectors x in the unit square 0 ≤ x₁ ≤ 1,0 ≤ x₂ ≤ 1 are
transformed to Ax (A is 2 by 2).
(a) What is the shape of the transformed region (all Ax)?
(b) For which matrices A is that region a square?
(c) For which A is it a line?
(d) For which A is the new area still 1?
Transcribed Image Text:50. (Recommended) Suppose all vectors x in the unit square 0 ≤ x₁ ≤ 1,0 ≤ x₂ ≤ 1 are transformed to Ax (A is 2 by 2). (a) What is the shape of the transformed region (all Ax)? (b) For which matrices A is that region a square? (c) For which A is it a line? (d) For which A is the new area still 1?
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