Question
Mathematics Question on Coordinate Geometry
A ray of light passing through (1, 2) after reflecting on x-axis at point Q passes through R(3, 4). If S(h, k) is such that PQRS is a parallelogram, then find the value of hk2.
A
90
B
84
C
96
D
108
Answer
84
Explanation
Solution
The Correct answer is option is (B) : 84