Question: 4. Define T: R2 _> R by T(X1, X2) = -2 *1 Find ker(7). Verify the -2 X2 Rank/Nullity Theorem (Theorem 3). [3 marks]

4. Define T: R2 _> R by T(X1, X2) = -2 *1 Find ker(7). Verify the -2 X2 Rank/Nullity Theorem (Theorem 3). [3 marks]
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