Question

The distance between the lines 3x + 4y = 9 and 6x + 8y = 15 is-

• A. 3/2
• B. 3/10
• C. 6
• D. None of these

Answer 1

Answer: (B)

3/10

Answer 2

3x + 4y = 9 .. (1)

and 6x + 8y = 15

Ž 3x + 4y = $\frac { 15 } { 2 }$ ..(2)

Distance between (1) and (2)

= $\frac { 3 } { 10 }$