Слайд 52. THE COEFFICIENTS MEMBERS EQUIDISTANT FROM THE ENDS OF THE EXPANSION, ARE EQUAL.
THIS
PROPERTY FOLLOWS FROM THE RELATION:
Слайд 8
EXAMPLE 2. PROVE FORMULA
SUBSTITUTING IN THE FORMULA FOR EXPANSION VALUE
GET THE DESIRED RESULT.
Слайд 9EXAMPLE 3. PROVE RATIO
WE USE THE RECURRENCE RELATION