Join Examsbook
1699 0

Q:

If a-b=1 and a3-b3=61, then the value of ab will be 

  • 1
    30
  • 2
    60
  • 3
    -20
  • 4
    20
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "20"

Are you sure

  Report Error

Please Enter Message
Error Reported Successfully