Find the most general antiderivative of π -1+2x³-1x⁵+9x⁷ π.
a) π -x + 12x⁴ - 16x⁶ + 98x⁸ + C π
b) π -x + 12x⁴ - 16x⁶ + 98x⁸ - 8C + 10 π
c) π -x + 12x⁴ - 16x⁶ + 98x⁸ - 8C π
d) π -x + 12x⁴ - 16x⁶ + 98x⁸ + 8C + 10 π