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General
Easy

Question

Vector stack c with rightwards arrow on top in figure represents –

  1. stack a with rightwards arrow on top plus stack b with rightwards arrow on top    
  2. stack a with rightwards arrow on top minus stack b with rightwards arrow on top    
  3. stack b with rightwards arrow on top minus stack a with rightwards arrow on top    
  4. negative stack a with rightwards arrow on top minus stack b with rightwards arrow on top    

The correct answer is: negative stack a with rightwards arrow on top minus stack b with rightwards arrow on top

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