Find the value of 27 x 3-8 y 3- ifi 3 x-2 y-14 and x y-8ii 3 x-2 y-20 and x y-149

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Expansion of (x+a)(x+b)

Find the valu...

Question

Find the value of 27x³ + 8y³, if

(i) 3x + 2y = 14 and xy = 8

(ii) 3x + 2y = 20 and xy = $\frac{14}{9}$

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