Mathematics
Senior High
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一番下の計算ができません
どうして答えが√13になるのでしょうか??

(To3)と直線a欠+bg+C=0 の距離 larotbo+ C | d (distance) ニ a'+6° (3.-5)と直線 2欠+3g-4=0の距離 |23+35)-4|_-|3|13 「3 (Co,8.) 2 登録

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