જો $\frac{1}{(x-1)(x-2)(x-3)}=\frac{A}{x-1}+\frac{B}{x-2}+\frac{C}{x-3}$ અને $\frac{x}{(x-1)(x-2)(x-3)}=\frac{P}{x-1}+\frac{Q}{x-2}+\frac{R}{x-3}$ હોય, તો $A+2B+3C=$

  • A
    $P+Q+R$
  • B
    $P+2Q+3R$
  • C
    $3P+2Q+R$
  • D
    $AP+BQ+CR$

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