kaykayjk2000
kaykayjk2000 kaykayjk2000
  • 20-04-2019
  • Mathematics
contestada

What is the root of this a^2-2a+15=0

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 21-04-2019

Answer:

a = 1 ±i√14

Step-by-step explanation:

Subtract 14.

a^2 -2a +1 = -14

(a -1)^2 = -14

Take the square root.

a -1 = ±√-14 = ±i√14

Add 1.

a = 1 ±i√14 . . . . . these are the complex roots of your equation

Answer Link

Otras preguntas

how do you calculate the circumference of a circle
the sum of Marys age and her moms age is 67.  Three times Marys age increased by 7 is her moms age.  How old is Mary and her mother
how can the boiling point of a liquid be raised without adding soluble impurity?
When a Doctor practices Paediatrics, what sort of patients does he have ?
spread of democracy in last 15 years
How does the modern era differ from the post-classical era?
How do you write this in a algebraic equation: 6 more than 7 times a number is 41
compare the invention of the atlatl withthe invention of the bow and arrow, cannon, machine gun, and combat aircraft. discuss impacts of these in their times.
When a Doctor practices Paediatrics, what sort of patients does he have ?
how can the boiling point of a liquid be raised without adding soluble impurity?