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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Mar 2008 07:46:46 IST
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f(2x+3) + f(2x+7) = 2.............................(I)
replacing x by x+2
f(2x+7) + f(2x+11) = 2...........................(II)
that implies
(II) - (!) = f(2x+11) - f(2x+3) = 0
f(2x+3) = f(2(x+4) +3)
Therefore the period is '4'
~Cheerio!!
edit: dint see all the questions!!! 
For the first one, the function {x} has a period '1'.The period is dependent only on that function.So the period is 1.
The second question has already been answered well by pannaguma
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Talk less work more!! {To be simplistic and 2 gain respect}
Eat less work more!!! {To "build" ur body}
Work less Do more!!! {2 make ur life big}
don't get scared !!!
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