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D
Please help me understand and solve the second-order DM: yy" + y = (y')^2
Dana04
Today at 12:08 PM
Differential Equations
Replies
1
Views
69
55 minutes ago
mario99
M
N
calculus problem: For which non-negative values of a does the function y=(x^2+3x)/x+a have a clear discontinuity point?
NirMoyal
Yesterday at 2:56 PM
Calculus
Replies
3
Views
54
Today at 8:55 PM
Dr.Peterson
A
Vectors in equilibrium: A body is acted on by 3 forces in the (x,y)-plane. T_3 = 30.0j N, angle is 20.0 degrees, body is at equilibrium
annaanna
Today at 11:16 AM
Intermediate/Advanced Algebra
Replies
5
Views
139
Today at 6:30 PM
topsquark
B
f(x) = sqrt( (e^x) - 1 ): find the domain, find 1st and 2nd derivatives, and test for concavity
boywithmathproblems
Yesterday at 2:44 PM
Calculus
Replies
3
Views
40
Today at 5:52 PM
blamocur
H
How would you solve positive integer adding to a certain number questions.
hirohamada100
Yesterday at 10:52 AM
Arithmetic
Replies
1
Views
26
Today at 5:04 PM
Dr.Peterson
A
Please help with this: In triangle XYZ, side y is 8cm, side z is 5cm, and the measure of angle Y is 75 deg; find the length of side x
Andr6173
Saturday at 4:24 PM
Geometry and Trig
Replies
1
Views
34
Today at 4:56 PM
Dr.Peterson
M
help please
maks
Yesterday at 5:20 PM
Advanced Math
Replies
1
Views
34
Today at 4:53 PM
stapel
M
Simple Short Question about Probability: lottery consists of 200 tickets and two prizes. 1st prize ticket is drawn and then, w/o replacement,...
Masaru
Yesterday at 4:20 AM
Probability / Statistics
Replies
6
Views
147
Yesterday at 10:56 PM
Masaru
M
K
How to solve this? The first three terms of a different geometric progression are (4/3)cos^2(3theta), (16/9)cos^4(3theta), and (64/27)cos^6(3theta)
Kulla_9289
Saturday at 8:53 AM
Intermediate/Advanced Algebra
2
Replies
27
Views
370
Yesterday at 7:46 PM
blamocur
K
I need help: Suppose that f is a function with f(110) = 55 and f'(110) = 4. Estimate f(113).
katieme
Friday at 5:14 PM
Calculus
Replies
6
Views
122
Yesterday at 4:20 PM
Steven G
R
Complex Numbers: Find the modulus of (1 + i sqrt{3}). Hence evaluate (1 + i sqrt{3})^3. Give your answer in x + iy form.
reggiwilliams
Saturday at 2:10 PM
Intermediate/Advanced Algebra
Replies
12
Views
174
Yesterday at 12:50 PM
reggiwilliams
R
O
Prove that (A \ B) ∩ (B \ A) = ∅ using mostly formal logic
Ozma
Yesterday at 6:43 AM
Advanced Math
Replies
1
Views
78
Yesterday at 7:30 AM
blamocur
L
Geogebra help: how can i show the solid of revolution between two curves on geogebra?
Lalala
Yesterday at 3:54 AM
Calculus
Replies
1
Views
76
Yesterday at 7:24 AM
The Highlander
R
VAT charged at 20%, so £19,800 represents 120% of price before VAT
ry12
Apr 22, 2018
Beginning Algebra
Replies
3
Views
1K
Yesterday at 6:48 AM
John 12
J
Queuing theory: At a computerized Rail Reservation window, the customer arrivals are considered to be Poisson with an average inter-arrival time of...
Win_odd Dhamnekar
Yesterday at 2:51 AM
Probability / Statistics
Replies
0
Views
78
Yesterday at 2:51 AM
Win_odd Dhamnekar
M
Linear Algebra Vectors (Find point P in R3 such that A,B,C and P form a rhombus)
mmedy2311
Friday at 4:54 AM
Intermediate/Advanced Algebra
Replies
2
Views
132
Saturday at 11:55 PM
Steven G
E
Highest common factor: "The highest common factor of two numbers is 6. The lowest common multiple of the same two numbers is 72. What are the number?"
Ehands1221
Aug 11, 2020
Beginning Algebra
Replies
16
Views
872
Saturday at 11:41 PM
Steven G
R
Indices: Two variables x & y satisfy the equation y = 3*4^x. Find 'a' if (a,6) lies on graph. Find 'b' if (-1/2,b) also lies on the graph.
reggiwilliams
Saturday at 5:46 AM
Intermediate/Advanced Algebra
Replies
2
Views
114
Saturday at 11:49 AM
lookagain
L
B
Help in problem of theory of equations: Let a ≠ 0, b, c be integers and sinx, cosx be the rational roots of the equation ax^2+bx+c=0....
banaj
Mar 7, 2024
Intermediate/Advanced Algebra
Replies
14
Views
322
Saturday at 9:08 AM
blamocur
E
Trigonometric Integration: int (e^{sin(x)} + sqrt{cos(x)+tan(x)})^{pi} / [ln(ln(csc(x)) sqrt{sec^2(x)+cot^2(x)}] dx
ethan_2
Friday at 11:50 PM
Calculus
Replies
1
Views
74
Saturday at 12:01 AM
BigBeachBanana
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