1 year ago

If (2 +3i)^2 + (2 - 3i)^2 = a + bia =b=

Mathematics

1 answer:

Shalnov [3]1 year ago

7 0

(2 + 3i)^2 = 4 + 12i + 9(-1)

= 4 + 12i - 9

= -5 + 12i

(2 - 3i)^2 = 4 - 12i - 9(-1)

= 4 - 12i + 9

= 13 - 12i

REsult

= -5 + 12i + 13 - 12i

= 8 - 0i

Then

a = 8 and b = 0

You might be interested in

Choose the letter for the best answer.

arlik [135]

Answer:C

Step-by-step explanation:

78-17.5*2 = 43 so C

8 0

2 years ago

Read 2 more answers

If you need help join my white board <br> Room code: d93m4<br> pls put your user name as your name.

andriy [413]

Answer:

kk thx

Step-by-step explanation:

4 0

2 years ago

How would I do this at the bottom it says solution

Jlenok [28]

Answer:

all you have to do is graph them but put them in y=mx+b form first, the coordinates is the solution

4 0

3 years ago

4 * x² - (6+y) when x = -2 and y = -9

aalyn [17]

Answer:

4 * (-2)^2 - (6+(-9))

= 4 * 4 - (-3)

= 16 - (-3)

= 16 + 3

= 19

8 0

2 years ago

Describe the vector below shown below as an ordered pair. X-value? Y-value?

rosijanka [135]

The red vector has a magnitude of 22 and makes an angle of 39 degrees with the horizonal x-axis.

Converting to rectangular form: x = 22 cos 39 deg and y = 22 sin 39 deg

3 0

3 years ago

Read 2 more answers