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Multivariable CalculusEasyLines & Planes in Space

Lines & Planes in Space · Easy problem

The line through (1,4,−2)(1, 4, -2) parallel to ⟨3,−1,2⟩\langle 3, -1, 2\rangle has symmetric equations x−13=y−a−1=z−b2\dfrac{x-1}{3} = \dfrac{y-a}{-1} = \dfrac{z-b}{2}. Find a+ba + b.