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Intermediate/Advanced Algebra
For more advanced algebra topics, including Algebra II and Pre-Calculus.
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M
Help please with question 57: 4-by-4 grid with 4 symbols standing for numbers
M Tsan
Jan 5, 2024
Replies
3
Views
279
Jan 5, 2024
Dr.Peterson
S
Let A be a 3*3 matrix with A^3 = I. Find the rank of the matrix B = A - I.
spinos
Dec 27, 2023
Replies
7
Views
433
Jan 4, 2024
blamocur
S
Find the eigenvector: Let S be n*n square matrix w/ all non-zero elements. The sum of each row's elements is equal to 1.
spinos
Jan 3, 2024
Replies
1
Views
257
Jan 3, 2024
blamocur
S
Proved that not exist [imath]n\times n[/imath] square matrix A and B that satisfied the equation [imath]AB−BA=IAB−BA=I[/imath]
spinos
Dec 29, 2023
Replies
1
Views
316
Dec 29, 2023
topsquark
A
Can a number of this form be a perfect square? (4 * 10^{2n-1} - 31) / 9
anonym4=
Dec 6, 2023
2
Replies
30
Views
1K
Dec 27, 2023
Agent Smith
A
A
Finding where point (m, n) ends up when there's an inverse transformation.
AgeOfAsparagus
Dec 24, 2023
Replies
3
Views
261
Dec 25, 2023
AgeOfAsparagus
A
L
Finding a transformation matrix: map the unit cube to the displayed parallelogram
lgc1007
Dec 12, 2023
Replies
2
Views
366
Dec 13, 2023
lgc1007
L
S
square root and inequality: prove that sqrt(6)+sqrt(12)+sqrt(21) < 11
SimonAlpar
Dec 10, 2023
Replies
14
Views
571
Dec 11, 2023
BobP
B
C
3 Equal parts plus %: I start with 30lbs of beef; customer wants 1/3 straight beef, other 2/3 w/ 40% pork ratio.
cdalgo
Dec 3, 2023
Replies
5
Views
318
Dec 5, 2023
cdalgo
C
H
Functions problem! "If f(k/2)=1 and f(p+1)=9. Show that k^2+p^2 is divisible by 5."
Helenam
Nov 6, 2023
Replies
7
Views
399
Dec 3, 2023
khansaheb
K
H
Finding Shared Unknowns In Two Different Equations
Hckyplayer8
Dec 2, 2023
Replies
3
Views
266
Dec 3, 2023
khansaheb
K
N
Mr.Luc hits the ball toward an outfield fence that is 10 ft high and 210 feet from the home plate.
Noelle
Nov 30, 2023
Replies
4
Views
282
Dec 1, 2023
khansaheb
K
writing this sum in binomial form: sum, k=1 to 2n, of 2n-choose-k * 2^{-2k} * 3^{2n-k}
Qwertyuiop[]
Nov 25, 2023
Replies
8
Views
526
Nov 26, 2023
Qwertyuiop[]
N
10 people sharing marbles: We have 10 people standing in a row. At first, the total number of marbles the females have were...
nanase
Nov 15, 2023
Replies
14
Views
737
Nov 22, 2023
blamocur
J
Solving Multiple Variable Equation with Exponents: ((Q_a)/(Q_d))^{1.85} * (P_d - P_e) + P_e = ...
jzembrodt56
Nov 17, 2023
Replies
7
Views
404
Nov 21, 2023
jzembrodt56
J
summation binomial theorem: express this sum ∑k=2n(nk)3n−k2(−1)2k+3∑k=2n(kn)32n−k(−1)2k+3 in the binomial form (x+y)n(x+y)n
Qwertyuiop[]
Nov 18, 2023
Replies
1
Views
261
Nov 18, 2023
blamocur
N
Let p(x) = x^4 + ax^3 + bx^2 + cx + d, where a, b, c, d are real numbers. It is known that...
nanase
Nov 6, 2023
2
Replies
32
Views
1K
Nov 16, 2023
nanase
N
R
Induction for inequality: 2^{|x| - 1} <= x <= 2^{|x|}
ReallyBadAtMathGuy
Nov 13, 2023
Replies
7
Views
304
Nov 14, 2023
Dr.Peterson
N
fibonacci problems? "If 8th number is 2017, what is largest possible value of 1st?"
nanase
Nov 8, 2023
2
Replies
21
Views
1K
Nov 13, 2023
Dr.Peterson
U
2 Complex numbers questions: If z is complex and |z+16|=4|z+1|, find |z|. Solve -i/(x-iy) = (4+7i)/(5-3i)
umricky
Nov 12, 2023
Replies
2
Views
192
Nov 12, 2023
pka
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