m⁴ + 2m²n² + n⁴ factorise
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Answered by
1
Answer:
2m⁶+n⁶
prove answer...
Answered by
2
Answer:
(m2 + n2)2
Step-by-step explanation:
(a+b)2
= a2 + 2ab + b2
(m2 + n2)2
= (m2)2 + 2(m2)(n2) + (n2)2
= m4 + 2m2n2 + n4
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