Question

What is the sum of StartRoot 3 EndRoot – i and 2 – StartRoot 3 EndRooti? (2 + StartRoot 3 EndRoot) – (1 –StartRoot 3 EndRoot )i (2 + StartRoot 3 EndRoot) – (1 + StartRoot 3 EndRoot)i (2 + StartRoot 3 EndRoot) + (1 + StartRoot 3 EndRoot)i (2 + StartRoot 3 EndRoot) + (1 – StartRoot 3 EndRoot)i

Answer 1

(b) (2+√3) -(1+√3)i

Explanation:

You want the sum of (√3 -i) and (2 -√3i).

Addition

Treating "i" as a variable, we add like terms.

(√3 -i) +(2 -√3i)

= (√3 +2) +(-i -√3i)

= (2 +√3) -(1 +√3)i . . . . . matches choice B

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