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MHT CET202015 Oct 2020Evening ShiftPhysicsMathematics in PhysicsActual

If A =a₁ +a₂ and B =b₁ +b₂ are perpendicular to each other then

Options

  1. Ab ₂ a ₁ =- a ₂ ~b ₁
  2. Ba ₁ ~b ₂ =+ a ₂ ~b ₁
  3. Cb ₂ a ₁ =+ a ₂ ~b ₁
  4. Da₁ b₂ =- a ₂ ~b ₁

Correct answer

D. a₁ b₂ =- a ₂ ~b ₁

Step-by-step solution

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