oliviaparenteau72
oliviaparenteau72 oliviaparenteau72
  • 16-12-2020
  • Mathematics
contestada

What are the
Solutions of 3x' -x+7 =0?

A. x-2+İN83 or x- 2- i88
B. X-1+N83 orx= 1-iN88
C. x- 1+9/ or x 1-9;
D. X- 2+9i or x- 2-9/

What are the Solutions of 3x x7 0 A x2İN83 or x 2 i88 B X1N83 orx 1iN88 C x 19 or x 19 D X 29i or x 29 class=

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 21-12-2020

Answer:

x = 1+√83 i/6 and 1-√83 i/6

Step-by-step explanation:

Given the quadratic expression;

3x^2-x+7 =0

Using the general foemula to find x

x = -b±√b²-4ac/2a

From the equation

a = 3, b = -1 and c = 7

Substitute

x = -(-1)±√(1)²-4(3)(7)/2(3)

x = 1±√1-84/6

x = 1±√-83/6

x = 1±√83 i/6

x = 1+√83 i/6 and 1-√83 i/6

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