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The equation of a line is 3x + 4y – 7 = 0. Find (i) the slope of the line. (ii) the equation of a line perpendicular to the given line and passing through the intersection of the lines x – y + 2 = 0 and 3x + y – 10 = 0.

M.L Aggarwal book Important Question of class 10 chapter Based on Equation of a Straight Line for ICSE BOARD. You have given an equation of a line. So , Find the the slope of the line and the equation ...

An aeroplane when flying at a heigt of 3125 m from the ground passes vertically below another plane at an instant when the angles of elevation of the two planes from the same point on the ground are 300 and 600 respectively. Find the distance between the two planes at the instant.

sir this is the question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distances we have the information that An aeroplane when flying at a heigt of 3125 m from the ground passes vertically ...