BITSAT2021MathematicsStraight LinesActual
The distance between the parallel lines 3 x-4 y+7=0 and 3 x-4 y+5=0 is a b . Value of a+b is
Options
- A2
- B5
- C7
- D3
Correct answer
C. 7
Step-by-step solution
Given parallel lines are 3 x-4 y+7=0 and 3 x-4 y+5=0 Required distance = |7-5| (3)²+(-4)² = 2 5 a=2, b=5