Mathematics
Senior High
Solved

この展開の問題のこたえって、
a⁴+5a²b²で当たってますか?
a²+2b²をAとして解く感じです

(a°-ab+263(a'+ab+26°)

Answers

✨ Best Answer ✨

(a²+2b²)²−a²b²
=a⁴+4a²b²+4b⁴−a²b²
=a⁴+3a²b²+4b⁴

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