(a+b)² -(a-b)² = ?
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Answered by
2
Answer:
4ab...
Step-by-step explanation:
a^2+b^2+2ab-a^2-b^2+2ab
=4ab
Answered by
1
Answer:
4ab
Step-by-step explanation:
a2 + b2 + 2ab -a2 -b2+2ab
=> 4ab
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