a – 8ab3 = ?  

  • 1

    a(1 -2b) (1 – 2b + 4b2)
     

  • 2

    a(1 -2b) (1 + 2b + 4b2)
     

  • 3

    (a -2b) (a2 + 2ab + 4b2)
     

  • 4

    इनमें से कोई नहीं

Answer:- 2

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