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If `f(x)={{:((x)/(sinx)",",x gt0),(2-x",",xle0):}andg(x)={{:(x+3",",xlt1),(x^(2)-2x-2",",1lexlt2),(x-5",",xge2):}` Then the value of `lim_(xrarr0) g(f(x))`A. is `-2`B. is `-3`C. is 1D. does not exist |
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Answer» Correct Answer - B `underset(xrarr0+)(lim)g(f(x))=g(f(0^(+)))=g(1^(+))" "(becauseunderset(xrarr0)(lim)(x)/(sinx)=1^(+))` `" "=1-2(1)-2=3` `underset(xrarr0^(-))(lim)g(f(x))=g(f(0^(-)))=g(2^(+))" "(becauseunderset(xrarr0^(-))(lim)(2-x)=2^(+))` `" "=2-5=-3` `rArr" "underset(xrarr0)(lim)g(f(x))=-3` |
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