- #1

- 173

- 2

## Homework Statement

Part (b)

## Homework Equations

Vieta's formula

## The Attempt at a Solution

Part (a):

I'm kinda stuck on part (b) - I tried multiplying the product of roots and got b^2 d^2, but I have no idea on dealing with the sum of roots.

You are using an out of date browser. It may not display this or other websites correctly.

You should upgrade or use an alternative browser.

You should upgrade or use an alternative browser.

- Thread starter sooyong94
- Start date

- #1

- 173

- 2

Part (b)

Vieta's formula

Part (a):

I'm kinda stuck on part (b) - I tried multiplying the product of roots and got b^2 d^2, but I have no idea on dealing with the sum of roots.

- #2

Homework Helper

- 15,542

- 1,916

It would be easier using the quadratic formula instead of Vieta's ones for proving b).## Homework Statement

Part (b)

## Homework Equations

Vieta's formula

## The Attempt at a Solution

Part (a):

I'm kinda stuck on part (b) - I tried multiplying the product of roots and got b^2 d^2, but I have no idea on dealing with the sum of roots.

- #3

- 173

- 2

Thanks for the hint - I managed to work this problem out.

Share:

- Replies
- 2

- Views
- 250

- Replies
- 6

- Views
- 383

- Replies
- 15

- Views
- 259

- Replies
- 7

- Views
- 352

- Replies
- 9

- Views
- 508

- Replies
- 17

- Views
- 620

- Replies
- 7

- Views
- 178

- Replies
- 32

- Views
- 508

- Replies
- 3

- Views
- 683

- Replies
- 1

- Views
- 389