[" Let "f(x)={[(x(1+a cos x)-b sin x)/(x...

[" Let "f(x)={[(x(1+a cos x)-b sin x)/(x^(3))," if "x!=0],[1,," if "x=0]],[" The values of "a" and "b" so that "f" is a continuous "],[" function at "x=0," are "],[[" 1) "5/2,3/2," 2) "5/2,-3/2],[" 3) "-5/2,-3/2," 4) "-(5)/(2),(3)/(2)]]

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