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Find a scalar t such that t⟨−5,−3⟩+⟨4,−2⟩ is perpendicular to ⟨1,1⟩. Help! I don't even know where to begin:(.?

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  • Find a scalar t such that t⟨−5,−3⟩+⟨4,−2⟩ is perpendicular to ⟨1,1⟩. Help! I don't even know where to begin:(.?


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