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mominanisar

  • 3 years ago

What is the partial fraction of \[(Z ^{2}+2Z+1)\div(Z ^{2}-(3\div2)Z-(1\div2))\]

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  1. sauravshakya
    • 3 years ago
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    |dw:1358854232829:dw|

  2. sauravshakya
    • 3 years ago
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    |dw:1358854359088:dw|

  3. mominanisar
    • 3 years ago
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    @sauravshakya it is not visible from right side

  4. mominanisar
    • 3 years ago
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    are the partial fraction coefficients 8 and (-9/2)

  5. sauravshakya
    • 3 years ago
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    first factor 2z^2 -3z -1

  6. mominanisar
    • 3 years ago
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    sorry there is a mistake in question there is +(1/2)

  7. mominanisar
    • 3 years ago
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    so now roots are (Z-1/2)(z-1)

  8. mominanisar
    • 3 years ago
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    @sauravshakya now it becomes =(A/(Z-1/2)) +(B/(z-1)) what sre the values of A and B

  9. sauravshakya
    • 3 years ago
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    |dw:1358855348665:dw||dw:1358855363143:dw|

  10. sauravshakya
    • 3 years ago
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    Now, let (7z+3)/(2z^2 -3z +1) =A/(z-1) +B/(2z-1)

  11. sauravshakya
    • 3 years ago
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    N0w, find A and B

  12. mominanisar
    • 3 years ago
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    thanx a lot

  13. sauravshakya
    • 3 years ago
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    Looks like u can do it from there... welcome

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