simplify
a) (a²-b²)²
b) (m²-n²m²)+2m²n²
Answers
Answered by
1
Answer:
Given, (a
2
−b
2
)
2
Using , (a−b)
2
=a
2
−2ab+b
2
⇒(a
2
)
2
−2(a
2
)(b
2
)+(b
2
)
2
=a
4
−2a
2
b
2
+b
4
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