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[" 15.Let "f(x)=ax^(3)+bx^(2)+cx+d" and ...

[" 15.Let "f(x)=ax^(3)+bx^(2)+cx+d" and "g(x)=x^(2)+x-2],[" If "lim_(x rarr1)(f(x))/(g(x))=1" and "lim_(x rarr-2)(f(x))/(g(x))=4," then find the value of "(c^(2)+d^(2))/(a^(2)+b^(2))]

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