Mathematics
Senior High

2|p→+a→|^2
っていくつですか?
4|p→|^2+8p→・a→+4-a→|^2 で合ってますか?

Answers

2|𝒑+𝒂|²
= 2(|𝒑|² +2𝒑・𝒂 +|𝒂|²)
=2|𝒑|² +4𝒑・𝒂 +2|𝒂|²

こうです

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