Simplify
Ca+b)^2 + Ca-b)^
2
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Answered by
7
Answer:
Step-by-step explanation:
(a+b)^2+(a-b)^2
=a^2+b^2+2ab+a^2+b^2-2ab
=2a^2+2b^2
=2(a^2+b^2)
Answered by
3
((ca+b)2+ca−b)2
=((ca+b)2+ca+−b)((ca+b)2+ca+−b)
=((ca+b)2)((ca+b)2)+((ca+b)2)(ca)+((ca+b)2)(−b)+(ca)((ca+b)2)+(ca)(ca)+(ca)(−b)+(−b)((ca+b)2)+(−b)(ca)+(−b)(−b)
=a4c4+4a3bc3+6a2b2c2+4ab3c+b4+a3c3+2a2bc2+ab2c−a2bc2−2ab2c−b3+a3c3+2a2bc2+ab2c+a2c2−abc−a2bc2−2ab2c−b3−abc+b2
=a4c4+4a3bc3+2a3c3+6a2b2c2+2a2bc2+4ab3c+a2c2−2ab2c+b4−2abc−2b3+b2
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