Q. A square of area 25 sq unit is formed by taking two sides as $3x + 4y = k_{1}$ and $3x + 4y = k_{2}$, then $\left| k_{1} - k_{2} \right|$ is
A) 5
B) 1
C) 25
D) None of these
Explanation
(c)
Each side of square is 5 unit, distance between given lines is 5 unit,
$ie,\ \left| \frac{k_{1} - k_{2}}{5} \right| = 5 \Rightarrow \left| k_{1} - k_{2} \right| = 25\$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.