9. If a = 4 and b = 5, find the value of a3 + b3 - 3a2b + 3ab?
Answers
Answered by
0
Answer:
3ab,ab3,ab5, I hope so
Step-by-step explanation:
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Answered by
0
Answer:
4^3 + 5^3 + 3×4^2×5 +3×4×5
64+125+240+60
489
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