Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
logistic_guy
is there something wrong in this question? "Show that if a, b are positive integers, then there is smallest positive integer a−bk, k an integer"
2
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21
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8K
Steven G
Steven G
O
prove its true: |A union B| = |A| + |B| – |A intersection B|
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5
Views
3K
khansaheb
K
D
Subgraph one to one
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5
Views
1K
Steven G
Steven G
M
How do I proof that x^(p^p) - x is divisible by x^p - x - 1 over Zp, p - any prime number?
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9
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2K
Makuta
M
G
Can it be natural?
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19
Views
4K
Dr.Peterson
Dr.Peterson
A
General Solution
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2
Views
801
Otis
Otis
J
Simplify 2^k -1 + 2^[ (k+1) -1] ? In trying to prove ... + 2^(n-1) = 2^n -1.
Replies
6
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2K
MathNugget
M
J
Double checking Proof of Summation Answer. (500 + 100 + 20 + ... + 4[5^(4 -n)] = 625( 1 - 1/5^n))
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2
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1K
lookagain
L
E
Hard (for me) GCSE vectors question I am unable to solve. (Given that C,D,E are on same straight line, find BE)
Replies
3
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1K
blamocur
blamocur
M
Prove that x^2+17xy+17y^2+1 ≡ 0 (mod m) for any m.
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4
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1K
Makuta
M
G
Equivalent Expressions: Which expression is equivalent to (x^2 - 2x - 37) / (x^2 - 3x - 40)?
Replies
7
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2K
Cubist
Cubist
P
Expansion of expressions: Some instances of the expression (𝐴+𝐵√𝐶)^𝐷 , in which 𝐴,𝐵,𝐶, and 𝐷 represent distinct single non-zero digits, may...
Replies
3
Views
1K
Dr.Peterson
Dr.Peterson
L
Multiplying algebraic fractions: 2/a + (a+2)/4 I understand that the 2 and the 4 can cancel out to become 1/a + (a+2)/2
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8
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2K
Steven G
Steven G
A
Function and Inverse, Graphs, Domain and Range, given the function x = 2x - 4
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3
Views
1K
Steven G
Steven G
P
How reduce the steps of lengthy answer (partial fraction decomposition)
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4
Views
1K
Dr.Peterson
Dr.Peterson
C
How much does he gain by this transaction? (A retailer has an account for N200.00 from a manufacturer who gives two months' credit but only after...)
Replies
5
Views
2K
jonah2.0
jonah2.0
E
Discriminant equation: Find exact values of k so y = 1-k-x is tangent to y = kx^2 + x + 2k)
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11
Views
3K
Dr.Peterson
Dr.Peterson
J
Prove Summation - Unknown factoring step (Prove that 1^3 + 2^3 + 3^3 + ... + n^3 = [n^2 ( n + 1 )^2] / 4)
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3
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1K
Dr.Peterson
Dr.Peterson
K
How can a Shopkeeper Break Even on a Business
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10
Views
2K
Dr.Peterson
Dr.Peterson
E
Function search: f(x) = 1 if x is real and x is in [2n - 5/2, 2n - 3/2], n an integer; -1 otherwise
2
Replies
20
Views
3K
Dr.Peterson
Dr.Peterson
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