Question

Let u = <-5, 1>, v = <7, -4>. Find 9u - 6v.


Help me please

Answer 1

Answer on Question #42419 - Math, Analytic Geometry

$$u = \{-5; 1\}$$ $$v = \{7; -4\}$$ $$9u - 6v = \{9 * (-5) - 6 * (7); 9 * (1) - 6(-4)\} = \{-80; 33\}$$

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