(a+b)2 - (a-b)2 plz slove it
Answers
Answered by
1
Answer:
a+b+2ab-a²-b²+2ab
2ab+2ab
=4ab
Step-by-step explanation:
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Answered by
5
a²+b²= (a+b)² - 2ab
a²+2ab+b²-2ab
a² + b²
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