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#2 Help Me ! » Finding volume of Revolution help » 2008-09-01 00:58:38

NiCeBoY
Replies: 2

Hello,
I have worked this question on finding the volune of revolution.. but i think there is something wrong..
I have posted the question + my works up to the answer.

Can anyone check it and let me know if its good please?
I have to submit it in 12 hours time.

The question:
Q4.JPG

My answer:
volums.JPG


Should i use this formula ?if yes how do i apply it here...

Formula:
Formula.JPG

Thanks in advance..

#3 Re: Help Me ! » Need Someone to check my Differentiation & Integration Asgmt » 2008-09-01 00:51:32

Thanks man smile
very helpful...
thanks a lot..
This post/thread can be closed:)

Problem solved.!!

#4 Re: Help Me ! » Finding volume of Revolution help » 2008-08-31 02:26:31

I finally got the answer...
dont worry..
thanks anyway..
cheers!!..

#5 Re: Help Me ! » Need Someone to check my Differentiation & Integration Asgmt » 2008-08-31 02:23:07

Thanks man.. i got the answer for all the questions..
but am getting some issues with question 3 (second part)

Can you please do it step by step it seems i got some errors in..
thanks in advance..

#6 Help Me ! » Finding volume of Revolution help » 2008-08-31 00:18:23

NiCeBoY
Replies: 1

Determine the volume of the solid obtained by rotating the region bounded by the curves y=5x and y=x^2 about the x-axis.

What i know is that this formula should be used.But i dont know how to apply it..

Formula.JPG

Please me help me out..i have only 2 hours left for this assignment.
thanks.

#7 Re: Help Me ! » Need Someone to check my Differentiation & Integration Asgmt » 2008-08-30 19:06:41

When i simplify it :

2x/[x+2√(x² + log x)]

Is my simplification right?

And what about for Question 2.

how do i answer part (b) What are the possile values of x.

i think the answer is : 0< X < 1.5

Am i rite plz?

thanks for ur help man.

#8 Re: Help Me ! » Need Someone to check my Differentiation & Integration Asgmt » 2008-08-30 18:16:40

thanks mathsyperson tongue i finally got the answer and understood the situation..

Can you please check Question1(3) for me if possible please? am struggling with...

Thx..

#9 Re: Help Me ! » Need Someone to check my Differentiation & Integration Asgmt » 2008-08-30 17:18:34

for Q3(1)

then how do i proceeed?


then how i substitute it please?

#10 Re: Help Me ! » Need Someone to check my Differentiation & Integration Asgmt » 2008-08-30 14:10:54

here are the ques and ans..

- The question paper.
Questions.JPG

- Page 1 My Answers
Page10001.JPG

- Page 2 My Answers
Page10002.JPG

- Page 3 My Answers
Page10003.JPG

- Page 4 My Answers
Page10004.JPG

- Page 5 My Answers
Page10005.JPG


thx

#11 Help Me ! » Need Someone to check my Differentiation & Integration Asgmt » 2008-08-30 14:05:29

NiCeBoY
Replies: 10

Hello,
I am new here.I got an assignement due in less then 14 hours that is tomorrow morning..
I am posting the questions and my answers and am lacking behind 3 numbers.

Can anyone check the questions and my answers and let me know if there is anything wrong please? and also help me out quick with the 3 numbers that am not able to get a solution.

I have attached to this post the questions and my answers.

Questions.JPG = Contain the questions.
    Page10001.JPG - Page10005.JPG = Contain my answers

Thanking you in advance...

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