જો $\frac{3 x^4+5 x^2+2}{\left(x^2+1\right)^2\left(x^2+2\right)}=\frac{A x+B}{x^2+2}+\frac{C x+D}{x^2+1}+\frac{E x+F}{\left(x^2+1\right)^2}$ હોય,તો $A+2 B+D+4 E=$

  • A
    $5$
  • B
    $0$
  • C
    $1$
  • D
    $7$

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