Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫  π  -¹ ² ³ °

You are not logged in.

## #1 2012-10-25 07:56:55

PrissyMiss
Member
Registered: 2012-10-25
Posts: 6

### Derivative

f ' (x) = x + (sqrt (3x))
-------------------
3x − 5

Offline

## #2 2012-10-25 08:01:57

zetafunc.
Guest

### Re: Derivative

What do you need help with exactly?

## #3 2012-10-25 08:15:55

PrissyMiss
Member
Registered: 2012-10-25
Posts: 6

### Re: Derivative

I need to find the derivative of the function

Offline

## #4 2012-10-25 08:17:22

zetafunc.
Guest

### Re: Derivative

Do you know the quotient rule?

## #5 2012-10-25 08:17:32

PrissyMiss
Member
Registered: 2012-10-25
Posts: 6

### Re: Derivative

so far I got to the point                    .5           -.5
-4.5x     - 7.5x      - 5
----------------------------
2
(3x-5)

Offline

## #6 2012-10-25 10:16:15

PrissyMiss
Member
Registered: 2012-10-25
Posts: 6

### Re: Derivative

I do know the quotient rule

Offline

## #7 2012-10-25 16:34:22

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Derivative

Hi;

so far I got to the point                    .5           -.5
-4.5x     - 7.5x      - 5
----------------------------
2
(3x-5)

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

## #8 2012-10-25 19:12:02

bob bundy
Registered: 2010-06-20
Posts: 8,108

### Re: Derivative

hi   PrissyMiss and bobbym

I'm thinking that means

It is not quite what I'm getting:

PrissyMiss: You seem to have lost the root 3 s.

Bob

Children are not defined by school ...........The Fonz
You cannot teach a man anything;  you can only help him find it within himself..........Galileo Galilei

Offline

## #9 2012-10-25 19:23:33

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Derivative

Hi Bob;

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

## #10 2012-10-26 08:10:16

PrissyMiss
Member
Registered: 2012-10-25
Posts: 6

### Re: Derivative

Why are the exponents still in there after you put it in radicals?/

Offline

## #11 2012-10-26 08:21:10

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

### Re: Derivative

The exponents are powers of x.

In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline