For the polynomial (x³ - 2x + 1)/5 - (7/2)x² - x⁶ + 1, find:

The degree of the polynomial.
The coefficient of x³.
The coefficient of x⁶.
The constant term.
a. 3, -2, -1, 1
b. 6, 7/2, -1, 5
c. 6, -2, -1, 1
d. 3, 7/2, -1, 5