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बिंदु (2 ,1 ) की रेखा `12x -5y +9=0 ` से दुरी ज्ञात कीजिए|

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बिंदु (2 ,1 ) की रेखा `12x -5y +9=0 ` से दुरी ज्ञात कीजिए|
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Correct Answer - `(28)/(13)` इकाई
` 12x -5y +9=0 ` से बिंदु (2 ,1 ) की दुरी `= (12xx2-5xx1+9)/(sqrt(144+25)) =(28)/(13)` मात्रक
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