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(p-q) (p+q) (p square+q square) |
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Answer» <P>(p-Q) (p+q) (p SQUARE + q square) =(pp+pq-qp-qq) (p square +q square) =(p square1+1+pq-qp-q square1+1) (p square 2 + q square 2) =p square 4 -q square 4. |
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