Ask Question
7 July, 10:02

Simplify - 3+i/7 + i

First, multiply both the numerator and

denominator by___.

A. - 3 + i

B. - 3 - i

C. 7 + i

D. 7 - 1

+5
Answers (2)
  1. 7 July, 11:17
    0
    C. 7 + i

    Step-by-step explanation:

    (-3+i) / (7 + i) =

    (-3+i) (7-i) / (7+i) (7-i) =

    (-21+10i+1) / 50=

    (10i-20) / 50=

    0.2i-0.4
  2. 7 July, 12:42
    0
    The answer is C. 7+i
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Simplify - 3+i/7 + i First, multiply both the numerator and denominator by___. A. - 3 + i B. - 3 - i C. 7 + i D. 7 - 1 ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers