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f7. 5 Marks Show that 7 = (4, 23) can be written as a linear combination of either set of vectors, {(-1. 4). (2. 5)}

\f7. 5 Marks Show that 7 = (4, 23) can be written as a linear combination of either set of vectors, {(-1. 4). (2. 5)} or {(1. 0). (-2. 1)]

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