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NDA2014MathematicsVector AlgebraActual

If | a |=2,| b |=5 and | a b |=8 , then what is a b equal to?

Options

  1. A6
  2. B7
  3. C8
  4. D9

Correct answer

A. 6

Step-by-step solution

The correct answer is option (A)

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