Derive the equation of a straight line passing through the points x1,y1 having the slope m. hence deduce the equation of a line which passes through 1,2 which makes an angle 45 degree with positive direction of x-axis.
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Getting the equation the line y – y1 = m (x – x1). Detailed Answer : Let A(x1, y1) & B (x, y) be the two points. slope of line AB ...
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