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NDA2012MathematicsVector AlgebraActual

If | a |=10,| b |=2 and a b =12 , then what is the value of | a b | ?

Options

  1. A12
  2. B16
  3. C20
  4. D24

Correct answer

B. 16

Step-by-step solution

The correct answer is option B.

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