Find the value of (a + b) 2 + (a – b) 2 with full working.
Answers
Answered by
1
Answer:
4a
Step-by-step explanation:
2a+2b+2a-2b
2a+2a
4a
Answered by
0
Answer:
[a +b]2+[a-b]2
⇒2a+2b+2a-2b
∴4a
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