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प्रश्न
For specifying a straight line, how many geometrical parameters should be known?
विकल्प
1
2
4
3
उत्तर
2
Explanation:
Different form of equation of straight lines are
Slope intercept form, y = mx + c, Parameter = 2
Intercept form, `x/a + y/b` = 1, Parameter = 2
One-point form, y – y1 = m(x – x1), Parameter = 2
Normal form, x cos w + y sin w = P, Parameter = 2
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