Question

9 x² + 2x + 1 = 0

155

likes

777 views

Answer to a math question 9 x² + 2x + 1 = 0

$Expert avatar$

Gene

4.5

76 Answers

$x_{1,2}=\frac{-2\pm \sqrt{2^{2}-4\cdot 9\cdot 1}}{2\cdot 9}$

$x_{1,2}=\frac{-2\pm 4\sqrt{2}i}{2\cdot 9}$

$x_{1}=\frac{-2+4\sqrt{2}i}{2\cdot 9},x_{2}=\frac{-2-4\sqrt{2}i}{2\cdot 9}$

$=-\frac{1}{9}+i\frac{2\sqrt{2}}{9}$

$=-\frac{1}{9}-i\frac{2\sqrt{2}}{9}$

$x=-\frac{1}{9}+i\frac{2\sqrt{2}}{9},-\frac{1}{9}-i\frac{2\sqrt{2}}{9}$

Frequently asked questions (FAQs)

What is the equation of a hyperbola with a horizontal transverse axis, centered at the origin, vertices at (+/- 3, 0), and asymptotes with slopes of +/- 1/2?

What are the components of a unit vector in the direction of vector A = 3i - 4j + 12k?

Quadratic equation: Solve 2x^2 - 7x + 3 = 0.

New questions in Mathematics

2(2+2x)=12

5 squirrels were found to have an average weight of 9.3 ounces with a sample standard deviation is 1.1. Find the 95% confidence interval of the true mean weight

1 plus 1

How long will it take for $900 to become $5000 at an annual rate of 11.15% compounded bimonthly?

If you randomly selected one person from the 900 subjects in this study, what is the probability that the person exhibits the minimum BMI?

15/5+7-5

I want you to solve this problem as a grade sixth pupil in primary school: 8 Pigs ate 6 bags of fee in 20 days. How long will it take 10 pigs to eat 15 bags of feed eating at the same rate?

find f(x) for f'(x)=3x+7

. What will be the osmotic pressure of a solution that was prepared at 91°F by dissolving 534 grams of aluminum hydroxide in enough water to generate 2.784 ml of solution.

using the math and science known about the jefferson river bridge Find a truss in use and develop a load diagram. Use a load of 50 lb on each joint along the bottom of the truss for a truss that actrs as a bridge and along the top joints for a truss that acts as a roof

How to do 15 x 3304

7=-4/3y -1

A teacher has 25 red and yellow counters altogether. She has 4 times as many red counters than yellow counters. How many yellow counters does the teacher have?

48 kg of 30% sulfuric acid in a mixture of 10% and 40% sulfuric acid arose. How many kilograms were each of the original solutions?

Find the area of a triangle ABC when m<C = 14 degrees, a = 5.7 miles, and b = 9.3 miles.

Pablo has a balance of $440,000 and 2/5 of the money is used to pay bills. How much money do you have left after paying the bills?

(6²-14)÷11•(-3)

A factory produces glass for windows. The thickness X of an arbitrarily selected pane of glass is assumed to be Normally distributed with expectation μ = 4.10 and standard deviation σ = 0.04. Expectation and Standard deviation is measured in millimeters. What is the probability that an arbitrary route has a thickness less than 4.00 mm?

Solve the system of equations by the addition method. 0.01x-0.08y=-0.1 0.2x+0.6y=0.2

The domain of the function f(x)=x+7x2−144 is (−∞,), ( ,), and ( , ∞).

9 x² + 2x + 1 = 0

Answer to a math question 9 x² + 2x + 1 = 0

You might be interested in