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MarkFL
replied to the thread
Volume of the solid plane
.
You found the anti-defivative of the integrand, but you need to evaluate a definite integral.
28 minutes ago
O
ozgunozgur
replied to the thread
Volume of the solid plane
.
I did
34 minutes ago
MarkFL
replied to the thread
Roots of a Quadratic Equation
.
Hello, and welcome to FMH! :) Let's look at: S_{n}+aS_{n-1}+bS_{n-2}=0 Using the definition of \(S_n\), this becomes...
45 minutes ago
U
Umayangana
posted the thread
Roots of a Quadratic Equation
in
Intermediate/Advanced Algebra
.
Can someone help solve this problem??
54 minutes ago
MarkFL
replied to the thread
Volume of the solid plane
.
For part (a) we are revolving about the \(x\)-axis. I would write: dV=\pi((x^2+4)^2-(4x)^2)\,dx=\pi(x^4-8x^2+16)\,dx Now integrate...
Today at 12:57 PM
O
ozgunozgur
reacted to
MarkFL's post
in the thread
Volume of the solid plane
with
Like
.
Let's look at a graph of the region to be revolved: For part (a), I would use the washer method, where the outer radius \(R\) is the...
Today at 12:51 PM
O
ozgunozgur
replied to the thread
Volume of the solid plane
.
I don't know if this is true. :) Thanks
Today at 12:46 PM
S
student95
replied to the thread
Need help with solving Trigonometric Equation
.
I divide by 4x by 4 to find x. Apologies, I haven't attempted math since my childhood and I'm trying to grasp the concepts for a module...
Today at 12:43 PM
Jomo
reacted to
Dr.Peterson's post
in the thread
Law of sines
with
Like
.
Both of your equations can be proved to be true for any triangle using the law of sines, which I'll write as \dfrac{a}{\sin(\alpha)} =...
Today at 12:20 PM
MarkFL
replied to the thread
Need help with solving Trigonometric Equation
.
Yes, what I posted implies: x=\frac{1}{4}\left(\pi k\pm\arcsin\left(\frac{1}{4}\right)\right) We are told also: 0<x<\pi...
Today at 12:18 PM
Jomo
replied to the thread
Need help with solving Trigonometric Equation
.
Do you understand why 4x=πk±arcsin(1/4) where k∈Z ? If you know what 4x equals then how do you find out what x equals.
Today at 12:17 PM
MarkFL
replied to the thread
Volume of the solid plane
.
Let's look at a graph of the region to be revolved: For part (a), I would use the washer method, where the outer radius \(R\) is the...
Today at 12:07 PM
O
ozgunozgur
replied to the thread
Volume of the solid plane
.
Should I rotate it separately for three of them?
Today at 12:02 PM
topsquark
reacted to
Prof's post
in the thread
Volume of the solid plane
with
Like
.
You need to submit an attempt at solving the problem, and we can help you where you are stuck. In the mean time, I can get you started...
Today at 11:58 AM
topsquark
reacted to
Subhotosh Khan's post
in the thread
Find the volume by integrals
with
Like
.
I were to do this problem, I would: first sketch an approximate shape of x+y+z^2 = 1 and try to sketch the solid (use wolframalfa to...
Today at 11:58 AM
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