Q. If L is the overall length of a combined footing having A as its area, d being the distance between the centre of gravity of the base and centre of the base, the larger width b is (Solved)
1. (A/L) + (3Ad/L²)
2. (A/L) + (6Ad/L²)
3. (A/L) - (6Ad/L²)
4. (A/L) - (3Ad/L²)
- b. (A/L) + (6Ad/L²)