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KCET2019MathematicsVector Algebra

If ( | a |=16,| b |=4 ) then, ( | a b |²+| a b |² )

Options

  1. A( 08 )
  2. B( 64 )
  3. C4
  4. D( 16 )

Correct answer

B. ( 64 )

Step-by-step solution

(B) ( | a b |²+| a b |² = | a |²| b |² =| a || b |=(16)(4)=64 )

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