Please answer asap!!
My answer was (3) but the answer sheet says (4)!
Please explain..

Please answer asap!! My answer was (3) but the answer sheet says (4)! Please explain.. systern of x •y + az—avl If a is

hope you get it regards

  • -1
a cant be 1 .
So (4 ) is the correct ans
  • 1
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