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Friday, 06 March 2026
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If P = 18, Q = 21, R = -6 and S = -4, Calculate \(\frac{(P- Q)^3 + S^2}{R^3}\)

If P = 18, Q = 21, R = -6 and S = -4, Calculate \(\frac{(P- Q)^3 + S^2}{R^3}\)
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  • A \(\frac{-11}{216}\)
  • B \(\frac{11}{216}\)
  • C \(\frac{-43}{116}\)
  • D \(\frac{43}{116}\)
Correct Answer: Option B
Explanation:
\(\frac{(P- Q)^3 + S^2}{R^3}\) = \(\frac{(18 - 21)^3 + (-4)^2}{(-6)^3}\)
= \(\frac{-27 + 16}{R^3}\)
= \(\frac{-11}{-216}\)
= \(\frac{11}{216}\)

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