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$4$

$4.$ You are required to split $\frac{4}{x(x^{2}4)}$ into partial fractions. Couplete the steps below. Any other method is unnoceptable and will earn zero points.

Solution The given fraction resulted from adding fractions with denominators $x$ and $(x^{2}4).$ Thas $\frac{4}{x(x^{2}4)}=$

To elear frontines, waltiply overy term in the above identity by $x(x^{2}4).$ Write the resulting identity below.

Determine the unksown coustants by substituting a suitable value of $x$ asd by equating some coefficlents of $x$ in the identity you have written above then complete the Solution.