Q. If L is the overall length of a combined footing having A as its area, d being the distance betweenthe 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)