If $\frac{32x^2+186x}{(x^2+1)(x+5)}=\frac{37x+1}{x^2+1}+\frac{\lambda}{x+5}$,then $\frac{\lambda}{2}$ is equal to

  • A
    $-5$
  • B
    $\frac{-7}{2}$
  • C
    $\frac{-3}{2}$
  • D
    $\frac{-5}{2}$

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If $\frac{1}{(x-1)(x-2)(x-3)}=\frac{A}{x-1}+\frac{B}{x-2}+\frac{C}{x-3}$ and $\frac{x}{(x-1)(x-2)(x-3)}=\frac{P}{x-1}+\frac{Q}{x-2}+\frac{R}{x-3}$, then $A+2B+3C=$

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Resolve the following expression into partial fractions: $\frac{x + 1}{(x - 1)(x - 2)(x - 3)}$

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