If y = 3, then y³(y³ - y) = _____?
- 648
- 748
- 300
- None of these
Explanation
Given y = 3:
Step 1: Calculate y³.
y³ = 3³ = 27
Step 2: Calculate y³ - y.
y³ - y = 27 - 3 = 24
Step 3: Calculate y³(y³ - y).
y³(y³ - y) = 27 × 24
= 648
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