If y + 1y = 8 find the value of y³ + 1y³
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Answer:
Ur answer is 128
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Answer:
y³ + 1y³ = 128
Step-by-step explanation:
y + 1y = 8
2y = 8
y = 4
y³ + 1y³
= 4³ + 1×4³
= 64 + 64
= 128
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