1- The degree of each term in the binomial expansion of (3x+ 2y)⁹is

a. 10 c. 8

b. 9 d. 7

2- The degree of each term in the binomial expansion of (4a- 3b)¹¹is

a. 10 c. 11

b. 12 d. 7

3- The degree of each term in the binomial expansion of (x-y)⁵is

a. 6. c. 5

b. 4 d. -5

4- The coefficients of the first three terms in the expansion of (x-y)⁴are

a. 1, -4, -6 c. 1, 4, 6

b. 1, -4, 6. d. 1, 3, 5

5- The coefficients of the first four terms in the expansion of (a+b)⁵are

a. 1, 3, 5, 7 c. 1, 2, 3, 4, 5

b. 1, 4, 6, 4. d. 1, 5, 10, 10