✨ Best Answer ✨
√{5²-(15/4)²}
=√(5 +15/4)(5 -15/4)
=√(35/4 ×5/4)
=√(7×5²)/(2²×2²)
=5/4 ×√7
となりますね。(計算ミスなければ)
和と差の積を利用します。
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
✨ Best Answer ✨
√{5²-(15/4)²}
=√(5 +15/4)(5 -15/4)
=√(35/4 ×5/4)
=√(7×5²)/(2²×2²)
=5/4 ×√7
となりますね。(計算ミスなければ)
和と差の積を利用します。
Users viewing this question
are also looking at these questions 😉
なるほど、ありがとうございます！