Mathematics
Senior High
a+b+c=0のとき (b+c)^2+(c+a)^2+(a+b)^2+2(bc+ca+ab)=0 が成り立つことを証明せよ。
という問題です。教えてください。
Answers
No answer yet
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
a+b+c=0のとき (b+c)^2+(c+a)^2+(a+b)^2+2(bc+ca+ab)=0 が成り立つことを証明せよ。
という問題です。教えてください。
No answer yet
Users viewing this question
are also looking at these questions 😉
