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Q.(ii) The Cartesian equations of a line are x = ay + b, z = cy + d. Find its direction ratios.
2.d (ii) Ans : < a, 0, c >
Given cartesian equations of a line
We need to find the direction ratios of the line.
Consider the equation:
Now consider the next equation:
Compare both the equations (1) and (2) to get
Thus, the direction ratios of the line are