Q82. Let the length of the focal chord PQ of the parabola $y ^ { 2 } = 12 x$ be 15 units. If the distance of PQ from the origin is p , then $10 \mathrm { p } ^ { 2 }$ is equal to $\_\_\_\_$
Q82. Let the length of the focal chord PQ of the parabola $y ^ { 2 } = 12 x$ be 15 units. If the distance of PQ from the origin is p , then $10 \mathrm { p } ^ { 2 }$ is equal to $\_\_\_\_$