Maximum fractional error in product and quotient (Relative errors add for product/quotient in)

jee-mainjee-advancedneet-ug

Relative errors add for product/quotient in the conservative JEE bound.

What each symbol means

SymbolWhat it stands for
zab or a/b
Δa/|a|Fractional error in a

When to use this

Requires a,b nonzero; small error assumption often implicit.