Constant term condition for JEE

Formula

\[\text{Constant term occurs when the exponent of }x\text{ in }T_{r+1}\text{ is }0.\]

Variables: \(r\) is the term index parameter in the general term.

Conditions: Required \(r\) must be an integer with \(0\le r\le n\).

Independent term problems in expansions involving positive and negative powers.