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(d) p1,q- 2 and3dr-310 Ifp 1,g- 2and(a) p++2pq(c) pr 3pgr |
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Answer» (1)²+(2)²+2*1*2=1+4+4=9 (1)³+(2)³+(-3)³-3*1*2*-3=1+2-27+18=-6 |
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