(a_b)2 = a2 _ ? + b 2
Answers
Answered by
0
Answer:
it's 2 identity (a-b) whole square =a2 - 2ab + b2
I hope it help you
Answered by
1
Answer:
2ab
Step-by-step explanation:
a2+b2+2ab
a2 + 2ab + b2 = (a + b)2.
a2 - 2ab + b2 = (a - b)2. 2.
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