isi, cmi practice problem: Let $g(x) = x^5 + x^4 + x^3 + x^2 + x + 1$. What is the remainder when $g(x^{12})$ is divided by the polynomial $g(x)$ ? (a) 6 (b) $5 - x$ (c) $4 - x + x^2$ (d) $3 - x + x^2