If \( p, q, r \) are positive integers, then remainder when \( \mat...

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If \( p, q, r \) are positive integers, then remainder when
\( \mathrm{P} \)
\[
x^{3 p}+x^{3 q+1}+x^{3 r+2}
\]
W is divided by \( x^{2}+x+1 \) is
(a) 0
(b) 1
(c) \( x+1 \)
(d) \( x-1 \)
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