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[" 14.For "a in R^(+)" such that "lim(x ...

[" 14.For "a in R^(+)" such that "lim_(x rarr0)(1-cos ax)/(x^(2))=lim_(x rarr pi)(sin x)/(pi-x')],[" then the value of "a" is: "],[[" (A) "1," (B) "sqrt(2)],[" (C) "2," (D) "(sqrt(2))/(2)]]

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