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Sunday, March 25, 2012

Mnemonic Device for Multiplication of Binomials

FOIL


First
Outside
Inside
Last

(a+b)(x+y)

a and x ===== First
a and y ===== Outside
b and x ===== Inside(inner)
b and y ===== Last
at

4 comments:

  1. UnknownMarch 24, 2013 at 10:06 AM

    khaasai ramro idea chaina................

    ReplyDelete
    Replies
    1. AnonymousMarch 24, 2013 at 10:26 AM

      Ok. No problem. I will try to improve it. Thanks for your suggestion.

      Delete
  2. UnknownMay 19, 2013 at 10:18 AM

    Ramro cha hai bro malai ta man paro

    ReplyDelete