Valid for expressions of the form (1 + x)^{n} where n is negative, fractional or both.

It must be 1 at the front of the bracket and the validity depends on having |x| < 1

This topic is not on the January mock exam.

Valid for expressions of the form (1 + x)^{n} where n is negative, fractional or both.

It must be 1 at the front of the bracket and the validity depends on having |x| < 1

This topic is not on the January mock exam.