Jhannybean
Name:
Jhan
School:
About:
Currently a sophomore in college working towards my B.S in General Biology.
Subjects that interest me are Biology, Chemistry and Mathematics (particularly Calculus and completing the square (algebra))
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Questions Asked
Jhannybean:
Group Title
Calculus 3: simplifying expression
updated 18 hours ago
45 replies
6 Medals
Mathematics
Jhannybean:
Group Title
Calculus 3:Evaluate \[\int \int \frac{2xy}{x^2 +y^2}dxdy\] where D is the intersection of the annulus \(1 \le x^2 +y^2 \le 2\) with the seco…
updated 23 hours ago
33 replies
3 Medals
Mathematics
Jhannybean:
Group Title
Calculus 3: Simplifying \[\int_{0}^{\pi/4} \int_{0}^{\pi/2} \int_{0}^{\sqrt{2}} (\rho\sin\phi \cos\theta)(\rho \sin \phi \sin \theta)\rho^2\…
updated 4 days ago
57 replies
2 Medals
Mathematics
Jhannybean:
Group Title
Calculus 3: Trying to understand how to change from the xy-pane to the uv-plane to find the equation for a transformation where sides of S a…
updated 9 days ago
59 replies
1 Medal
Mathematics
Jhannybean:
Group Title
Calculus 3: Convert \(3x^2-8xy+3y^2+4z^2=7\) using cylindrical coordinates, I just need something checked, not solved.
updated 9 days ago
37 replies
4 Medals
Mathematics
Jhannybean:
Group Title
Calculus 3: Description of inequalities of the solid above \(z=\sqrt{x^2+y^2}\) and below \(x^2+y^2+z^2=z\)
updated 11 days ago
87 replies
3 Medals
Mathematics
Jhannybean:
Group Title
Calculus 3: Set up limits of the integral \[\int \int \int f(x,y,z)dzdxdy\]with vertices \((0,0,0),(2,0,0), (2,1,0)\) and \((2,1,1)\)
updated 11 days ago
117 replies
8 Medals
Mathematics
Jhannybean:
Group Title
I'm not sure if this has already been talked about, but will there be more Calculus sections added in the next OpenStudy update? A section f…
updated 11 days ago
10 replies
No Medals Yet
Mathematics
Jhannybean:
Group Title
Calculus 3: Find volume of a solid enclosed by cone \( z= \sqrt{x^2 +y^2}\) and sphere \( x^2 +y^2 +z^2 =2\)
updated 15 days ago
60 replies
2 Medals
Mathematics
Jhannybean:
Group Title
Simplifying \[\-e^{-\ln(x)}\]
updated 19 days ago
5 replies
4 Medals
Mathematics
Jhannybean:
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Evaluate double integral 4y^3 dA bound by y = x-6, y^2 = x
updated one month ago
57 replies
4 Medals
Mathematics
Jhannybean:
Group Title
How can I find the values of x and y when
dz/dx = 2xe^{y^2-x^2}(1-x^2-y^2) = 0…
updated one month ago
49 replies
5 Medals
Mathematics
Jhannybean:
Group Title
if \(z=xe^{xy}\) and \(x=3st\) and \(y=t^2-s\) find \(\large \frac{\partial z}{\partial s}\) at \((3,0)\)
updated one month ago
19 replies
4 Medals
Mathematics
Jhannybean:
Group Title
Given the following vectors:
A= 8 N 30 deg west of north,
B=5N 30 deg S of W,…
updated 9 months ago
31 replies
1 Medal
Mathematics
Jhannybean:
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Find the volume of a solid under the paraboloid z=x^2+3y^2 and above the triangle with vertices (0,0),(4,8) and (8,0).
updated one year ago
57 replies
1 Medal
Mathematics
Jhannybean:
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Determine the point on the plane with equation x+2y+3z=6 that is closest to (1,2,3)
updated one year ago
20 replies
1 Medal
Mathematics
Jhannybean:
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Find parametric equation for the line through the point (0,1,2) that is perpendicular to the line x=1+t, y=1-t, z=2t and intersects this lin…
updated one year ago
86 replies
3 Medals
Mathematics
Jhannybean:
Group Title
New York is roughly 3000 miles from Seattle. When it is 10:00 A.M. in Seattle, it is 1:00 P.M. in New York. Using this information, estimate…
updated one year ago
29 replies
4 Medals
Mathematics
Jhannybean:
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updated one year ago
8 replies
2 Medals
Mathematics
Jhannybean:
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What is i/square root (64) ? :D Hehehe
updated one year ago
16 replies
4 Medals
Mathematics
Jhannybean:
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Can someone verify thisis true? Definition of Sine inverse http://prntscr.com/16145j
updated one year ago
16 replies
1 Medal
Mathematics
Jhannybean:
Group Title
Solving Inverse Functions:
Evaluate http://prntscr.com/15e7ec Unsure how to solve inverse functions :(
updated one year ago
33 replies
No Medals Yet
Mathematics
Jhannybean:
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Confused about this one..
Show how the area bounded by the curve f(x)=1/x on the interval [1,2] is greater than the area of a rectangle o…
updated one year ago
17 replies
1 Medal
Mathematics