Bellaheyitsme Bellaheyitsme
  • 21-07-2022
  • Mathematics
contestada

The real root of the equation x3 – 7x2 + 15x – 25 = 0 is 5. What are the nonreal roots?

–4i, 4i
2 – 4i, 2 + 4i
1 + 2i, 1 – 2i
–16i, 16i

Respuesta :

evgeniylevi
evgeniylevi evgeniylevi
  • 21-07-2022

Answer:

1±2i.

Step-by-step explanation:

1. if to evaluate the expression given, it can be written

(x-5)(x²-2x+5)=0;

2. where the nonreal roots are 1±2i.

Answer Link

Otras preguntas

Is 2/14 equivalent to 3/7
A family of 12 went to the local Italian restaurant for dinner. Every family member ordered a drink and meal, 3 ordered an appetizer, and 6 people ordered cake
how many moles are in 9.8 grams of calcium?
What shape has only 1 pair of parallel line
What is the average of something (mean or mode) I really need to know I forgot what the difference was ho
A 1200 kg automobile is traveling at a velocity of 100 m/s is its energy potential or kinetic? How much energy does it possess?
Which of the following is a function of only the House of Representatives,not the Senate? A. Initiating legislation B. proposing tax bills C. Approving treat
how do I solve this problem? mars rotates on its axis at the rate of . 2552 rad/hr how many hours are in a martian day?
5x^2+19x+12 factor the polynomial
Why am I so annoying? How can I change myself?