1 . x3-1,x3+1,x4+x2+1

• A. $x^7-1$
• B. $x^7-1$
• C. $x^6-1$
• D. $x^5-1$

Answer: Option C

Explanation:

2 . x3-1,x3+1,x4+x2+1

• A. (x-4)
• B. $x^6-1$
• C. (x-2)
• D. (x-3)

Answer: Option B

Explanation: