Which of the following statements regarding Pascal's triangle are correct?

A. the first and last numbers of a row are always 1.

B. the nth row gives the coefficients in the expansion of (x+y) ^n-1.

C. the nth row gives the coefficients in the expansion of (x+y) ^n.

D. each number not at the end of a row, is the sum of the numbers that are directly to its right and left, in the row below.

Question

Mathematics

Lutz

16 May, 19:39

Which of the following statements regarding Pascal's triangle are correct?

A. the first and last numbers of a row are always 1.

B. the nth row gives the coefficients in the expansion of (x+y) ^n-1.

C. the nth row gives the coefficients in the expansion of (x+y) ^n.

D. each number not at the end of a row, is the sum of the numbers that are directly to its right and left, in the row below.

+1

Answers (1)

Know the Answer?

Ainsley Haley · Answer 1

A. the first and last numbers of a row are always 1.

B. the nth row gives the coefficients in the expansion of (x+y) ^n-1.

D. each number not at the end of a row, is the sum of the numbers that are directly to its right and left, in the row below.