how do I solve this.... (a+b)squared - (c+d)squared ???

Please help me by giving me the solution.... :) THANKS !!!

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- February 23rd 2006, 05:45 PMchina_88[SOLVED] How do I get to answer this problem ?
how do I solve this.... (a+b)squared - (c+d)squared ???

Please help me by giving me the solution.... :) THANKS !!! - February 23rd 2006, 06:15 PMThePerfectHackerQuote:

Originally Posted by**china_88**

Thus,

Over here . Thus,

(watch those signs :eek:

Thus,

.

Q.E.D.