NDA 2019 Mathematics question
What is the equation of the straight line which is perpendicular to and passes through (3, 2)?
Answer: (B)
Solution
The line has slope 1, so the perpendicular has slope : , i.e. .
What is the equation of the straight line which is perpendicular to and passes through (3, 2)?
The line has slope 1, so the perpendicular has slope : , i.e. .