Simplify (3√7+5√2)³
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Answer:
(3√5 + 5√2)³
using identity = (a + b)³ =
a³ + b³ + 3ab (a + b)
(3√5)³ + (5√2)³ + 3 × 3√5 × 5√2 (3√5 + 5√2)
= 125√5 + 250√2 + 15√5 × 5√2 (3√5 + 5√2)
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