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Find the domains of definaton of the following functions: (a) f(x)=sqrt(arc sin (log_2x)), (b) f(x)=log_(2) log_(3) log _(4) x, (c) f(x)=1/x +2^(arc sinx)+1/sqrt(x-2) (d) f(x)=log|4-x^(2)|, (e) f(x)=sqrt(cos(sin x)+arc sin ""(1+x^(2))/(2x) Find the ranges of the following functions: (f) y=1/(2-cos 3x) (g) y=x/(1+x^2)

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ANSWER :(d) `x=pm 2`


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