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Letf(x) ={{:( (a(1-x sinx) + b cccos x+5)/(x^(2)),xlt0),( 3, x=0),( {1+((p(x))/(x^(2)))}^(1//x),xgt0):} wherep(x)is a cubic functionand f is continuous at x=0,if theleading coefficient of p (x)is positive, thentheequation p(x)= b has |
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Answer» onlyone real , positiveroot |
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