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If P = 18, Q = 21, R = -6 and S = -4, Calculate \(\frac{(P- ...

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

A.

$\frac{-11}{216}$

B.

$\frac{11}{216}$

C.

$\frac{-43}{116}$

D.

$\frac{43}{116}$

View answer & explanation

Correct answer is B

$\frac{(P- Q)^3 + S^2}{R^3}$ = $\frac{(18 - 21)^3 + (-4)^2}{(-6)^3}$

= $\frac{-27 + 16}{R^3}$

= $\frac{-11}{-216}$

= $\frac{11}{216}$

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