In the context of JEE Main, "combinations" refer to the mathematical concept of selecting items from a set where the order of selection doesn't matter. The key formula is nCr = n! / (r! * (n-r)!),...
For example, in the quadratic equation \: \ is the variable, which represents a number whose value we don't know yet. The \ is the power or exponent. An exponent of \ means the variable is ...
Integration Formulas Indefinite Integration: If f and g are functions of x such that g’(x) = f(x) then, Here, c is called the constant of integration. Standard formula: ...