Question

what is the largest formula in maths

Answer 1

i think
${x}^{3} + {y}^{3} + {z}^{3} - 3xyz$
algebraic identity is the largest

Answer 2

there r many largest formulas in mathematics
for example:
>>>1.shridaracharya's farmula

x=+-b✓b square - 4ac divided by 2a
>>>2.midpoint formula
>>>3.section formula..
and many more..
Hope this may help you dear friend..