Blast125
Blast125 Blast125
  • 20-03-2017
  • Mathematics
contestada

Please Help!

Find the product of (x + (3+5i))^2.

Respuesta :

juandavid1235
juandavid1235 juandavid1235
  • 20-03-2017
the answer is 25i2+10ix+x2+30i+6x+9
Answer Link
ChandrikaP ChandrikaP
  • 20-03-2017
(x+(3+5i))^2
(a+b)^2=a^2+b^2+2ab
x^2+(3+5i)^2+2x(3+5i)
x^2+9-25+2*3*5i+6x+10xi
x^2-16+30i+10xi+6x
x^2+30i+10xi+6x-16
Answer Link

Otras preguntas

what is the period of the graph of the equation y=3cos2x
why did Russian settlers come to California in the early 1800s
Please help the question is in the picture x
Frances is sewing a border around 2 rectangular tablecloths that each measure 9 feet long by 6 feet wide.  If it takes her 3 minutes to sew on 1 inch of border,
the rule for this number sequence is (n+3) x 2 where n is the previous number in the sequence.6   18  42 ? type the missing numberplease
The Indus, Ganges, and Brahmaputra were important to ancient India because they were (1) high mountain ranges that protected India from invasion (2) great river
Look at the following sequence: 729,243,81,27... What is the next term?
the rule for this number sequence is (n+3) x 2 where n is the previous number in the sequence.6   18  42 ? type the missing numberplease
Jerry built a chest shaped like a rectangular solid. The base was 14 inches long and 10 inches wide. It had a height of 4 inches. What is the area of the base
The speed of light is about 3.00 × 105 km/s. It takes approximately 1.28 seconds for light reflected from the moon to reach Earth. What is the average distance