Question: 2. Let 7: R2 - R2 be defined by T(x, y) = (x - y, 2x - 2y). 3. Show that T is not onto

2. Let 7: R2 - R2 be defined by T(x, y) = (x - y,
2. Let 7: R2 - R2 be defined by T(x, y) = (x - y, 2x - 2y). 3. Show that T is not onto and find a vector b E R such that b # T(R?)

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