✨ Best Answer ✨
4<√19<5よりa=4だと分かる。
よってb=√19-4と表せるので、
a^2+b^2
=4^2+(√19-4)^2
=16+19-8√19+16
=51-8√19
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✨ Best Answer ✨
4<√19<5よりa=4だと分かる。
よってb=√19-4と表せるので、
a^2+b^2
=4^2+(√19-4)^2
=16+19-8√19+16
=51-8√19
Users viewing this question
are also looking at these questions 😉
