113,444 views
26 votes
26 votes
Solve for

-- = ၅
A - -
2
5 --23
2
€ I-
.
N
.
1:21
2

Solve for -- = ၅ A - - 2 5 --23 2 € I- . N . 1:21 2-example-1
User Kalik
by
3.3k points

1 Answer

23 votes
23 votes

Answer:

C

Explanation:


x = (- b + - \sqrt{ {b}^(2) - 4ac } ) / 2


x1 = (- ( - 1) - \sqrt{ {( - 1)}^(2) - 4 * (1) * ( - 3) }) / 2 = \\( 1 - √(1 + 12)) / 2 = (1 - √(13) )/ 2


x1 = ( - ( - 1) + \sqrt{ {( - 1)}^(2) - 4 * (1) * ( - 3) }) / 2 = \\( 1 + √(1 + 12) ) / 2=( 1 + √(13) ) / 2

User Fabian Nack
by
2.9k points