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MHT CET20225 Aug 2022Morning ShiftMathematicsVector AlgebraActual

If | a |= 26 ,| b |=7 and | a b |=35 , then a b is-

Options

  1. A7 26
  2. B7
  3. C26 7
  4. D7 26

Correct answer

B. 7

Step-by-step solution

aligned & | a b |=| a || b | & 35= 26 7 & = 5 26 & = 1 26 aligned Now, a b =| a || b | aligned & = 26 7 1 26 & =7 aligned

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