moriahsapphireblue76
moriahsapphireblue76 moriahsapphireblue76
  • 03-12-2018
  • Mathematics
contestada

Which pair of complex factors results in a real number product? 15(–15i) 3i(1 – 3i) (8 + 20i)(–8 – 20i) (4 + 7i)(4 – 7i)

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 03-12-2018

Answer:

(4 + 7i)(4 – 7i)

Step-by-step explanation:

This pair will produce a real answer because they are complex conjugates.

Complex conjugates ( a+bi) (a-bi)  when multiplied together form a real number ( a^2 + b^2)

Answer Link
aasianai812
aasianai812 aasianai812
  • 26-04-2020

Answer:

D. (4+7i)(4-7i)

Step-by-step explanation:

Answer Link

Otras preguntas

Thelma spent 1/6 of her weekly allowance on dog toys.  1/4 on a dog collar and 1/3 on dog food.  What fraction of her weekly allowance is left
find the sum. write each mixed number in simplest form 4 7/8 + 5 1/4
Forget the motor When im on the boat Think of the best time To buy a new coat What am I......?
Does an owl have a backbone?
find the sum. write each mixed number in simplest form 4 7/8 + 5 1/4
What is the creepiest sounding scale? What scale would u use for writing creepy music in other words
The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.
The inner and outer Radii of a cylindrical pipe are 5 cm and 4 cm respectively. find the area of cross section of the pipe.
What all the multiples of 81?
The ______ was established in 1943 to assist in the transition from a peacetime to a wartime economy ?