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[Post New]3 Sep 2007 13:59:26 IST
    Subject: Re:some questions on functions.(Rates guaranteed)
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nadeemoidu (1184)

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Olaaa!! Perrrfect answer. 200  [292 rates]
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1) f(x)=5/4 for all values of x.
   therefore gof(x)=1

2) sec-1 is defined if  | logx |  1

=> x 1/e or x e

but log x is defined for +ive values

=> x (0,1/e] U [e,inf)
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