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