Discuss Forum
1.
- A. 42
- B. 42
- C. 42
- D. 42
Answer: Option C
Explanation:
z³+(1/z³)
=(z+1/z)³-3(z+1/z)
=4³-(3×4)
=64-12
=52
(ans)
Post your comments here:
1.
Answer: Option C
Explanation:
z³+(1/z³)
=(z+1/z)³-3(z+1/z)
=4³-(3×4)
=64-12
=52
(ans)
Post your comments here: