Factorise as far as you can: a^4-2a^2 b^2+b^4
Answers
Answered by
0
Answer:
a
4
+2a
2
b
2
+b
4
=(a
2
)
2
+2a
2
b
2
+(b
2
)
2
=(a
2
+b
2
)
2
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