Mathematics · Algebraic Identities
The value of the expression (1.55 2 + 0.55 2 + 1.55 × 0.55) is equal to:
- 11.55 2 + 0.55 2 1.55 + 0.55
- 21.55 3 + 0.55 3 1.55 + 0.55
- 31.55 3 − 0.55 3 1.55 − 0.55✓
- 41.55 2 − 0.55 2 1.55 − 0.55
Correct answer
1.55 3 − 0.55 3 1.55 − 0.55
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