aadas1363 aadas1363
  • 22-04-2020
  • Mathematics
contestada

what is the different of the complex number ? (3+7i)-(-4-2i)

Respuesta :

jimrgrant1 jimrgrant1
  • 22-04-2020

Answer:

7 + 9i

Step-by-step explanation:

Given

(3 + 7i) - 1(- 4 - 2i) ← distribute both parenthesis

= 3 + 7i + 4 + 2i ← collect like terms

= 7 + 9i

Answer Link

Otras preguntas

Find the missing side of each triangle. Round your answers to the nearest tenth if necessary. (Please Show)
1483, 1482 is greater or less​
Use the jumbled words in parentheses to complete the sentences with the correct future form of will, be + going to, or Present Progressive. A: Can we meet after
Explain the metaphor in the following line: "the last sound of the American plane dissipated in the wind and there we were, in our cemetery" (Wiesel 66). Includ
Which statement describes the effect of inflation? A. Inflation does not affect the value of an object. B. Inflation does not affect the cost of an object. C. I
how does Juliet find out Romeo's name?
can you give examples for metaphors i don't understand
Solve and graph x - 2 > -5 and x - 2 < 4 on a number line
Briefly list 2 other problems the colonists had with the king.
Jack’s recipe calls for One-half teaspoon of baking powder. He cannot find the One-half teaspoon measuring spoon. Instead, Jack uses the One-eighth teaspoon mea