Determine whether the planes a₁x + b₁y + c₁z = ₁ and 2x + ₂y + z = d₂ are parallel, perpendicular, or neithe ₁₂+₁₂+₁₂ = 0. 6x + y - 5z = 4, -42x - 7y + 35z = 5 Step 1 Compare the given equations with the equations then ₁x + ₁ + ₁ = ₁ and ax + b₂y + c₂z = d₂ ₁ = 6, ₁ = 1, ₁ = Step 2 Observe the following. 3₂ = -42 -7 ✓ )(6) 1x³₁ Enter an exact number. 32 = -42, b₂ = 7✔ D , and c₂ = 35✔ 35

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