If \( x^{2}-2 x-1 \) is a factor of \( p x^{3}+q x^{2}+1 \), (where \( p, q \) are integers) the...

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If \( x^{2}-2 x-1 \) is a factor of \( p x^{3}+q x^{2}+1 \), (where \( p, q \) are integers) then find the value of \( p+q \).
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