Mathematics
Senior High
Solved
この連立方程式を解くまでの考え方が分かりません
途中式を教えてくださいm(_ _)m
よろしくお願いします
Sar²=-28
ar4=-112
r² = 4
r. ±2
ftr
("\
①
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すごく分かりやすいです！！
本当にありがとうごさいます