kavya655 kavya655
  • 09-07-2022
  • Physics
contestada

how is this true?.........​

how is this true class=

Respuesta :

afernandez2376 afernandez2376
  • 09-07-2022

Answer:

because the a and the b both have ones next to them so a is 1 and b is 1 so the sum is 2 and the minus changes because it is within the two lines

Explanation:

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