Post-UTME Mathematics 2016 Objective — Question 17
Question 17 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
Advertisement
Number Systems 7. (2,6) ÷ (4,2) = ?
- A. (1,1)Correct
- B. (1,2)
- C. (2,1)
- D. (2,2)
Explanation
(2+6i)/(4+2i), multiplying by the conjugate (4-2i)/(4-2i), gives (20+20i)/20 = 1+i, i.e. (1,1).
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.