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Ex 10.1, 12 - A line passes through (x1, y1) (h, k). If slope - Ex 10.1

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Ex10.1, 12 A line passes through (x1, y1) and (h, k) . If slope of the line is m, show that k y1 = m (h x1) . We know that slope of line passing through (x1, y1) and (x2, y2) is m = ( _2 _1)/( _2 _1 ) So, Slope of line passing through (x1, y1) and (h, k) is Here x1 = x1 , y1 = y1 x2 = h , y2 = k Putting values m = (k y1)/(h x1) m(h x1) = k y1 k y1 = m (h x1) Hence proved

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.