suppose that r = 3a + 2b can you express b as a linear combination of r and a? suppose that r = (1,2), a = (1,0) and b = (0,1). Express r as a linear combination of a and b
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Originally Posted by adam_leeds suppose that r = 3a + 2b can you express b as a linear combination of r and a? Treat this just like ordinary algebra. Subtract 3a from both sides of the equation, then divide both sides by 2.
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