✨ Best Answer ✨
一応、1年生というか数Ⅰの知識でできますね
a⁴+a²b²+b⁴
= a⁴+a²b²+b⁴ +a²b²-a²b²
= a⁴+2a²b²+b⁴ - a²b²
= (a²+b)² - (ab)²
= ……
というやつですね
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