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23. If p = -2, q = -1 and r = 3, find the value of(iv) p3+q3+r3+3pqr |
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Answer» ONG>ANSWER: here is your answer Step-by-step explanation: (-2×3)+(-1×3)+(3×3)+3×(-2)×(-1)×3 -6+(-1)+9+18 -6-1+9+18 -7+27 20 |
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