MCQ
$(a - b)^2$ is equal to:
- ✓$a^2 + b^2 - 2ab$
- B$a^2 + b^2 + 2ab$
- C$a^2 + b^2$
- D$2ab$
✓
Answer
Correct option: A.
$a^2 + b^2 - 2ab$
A. $a^2 + b^2 - 2ab$
Solution:
$(a - b)^2 = a^2 + b^2 - 2ab$
Solution:
$(a - b)^2 = a^2 + b^2 - 2ab$
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