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![[Post New]](/templates/default/images/icon_minipost_new.gif) 3 Sep 2007 18:01:57 IST
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3.) If y= [e^[sin^-1(log2x^2)]]1/2.
for y 2 b real
e[sin^-1(log2x^2)] >0
bt dis term is gr8er den 0 for all values for which d exponent is defined
=> -1<= log 2x^2 <=1
=> log 2x^2 >= -1 nd log 2x^2 <=1
=> e^-1 <= 2x^2 nd e>=2x^2
nd u can solve it further for values of x
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there is no right way 2 do something wrong !!!!!!!! |
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