Intermediate/Advanced Algebra

For more advanced algebra topics, including Algebra II and Pre-Calculus.
D
Sum - please help
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2
Views
790
JeffM
J
T
Simplify: Xt = Xt-1 [1- (1/n-t) - r]
Replies
11
Views
2K
Denis
D
S
Need Answers: If −7<x≤6 determine a and b for the inequality : a≤3x+8<b.
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1
Views
2K
Dr.Peterson
Dr.Peterson
C
solve the linear equation for x and y: (5/9)x - 1/5 = y/6 + 8/15
Replies
1
Views
882
Dr.Peterson
Dr.Peterson
F
Given (2,3) (2, 5) (2, 11) (2, 17), find next three sets
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7
Views
1K
frappa
F
A
Is this a valid method for solving a^(2x)+ a^4= a^(x+1) + a^(x+3) ?
Replies
6
Views
1K
Dr.Peterson
Dr.Peterson
K
Summation: Prove sum[r=1,n][6r^2+32r] = n(n+1)(2n+17)
Replies
3
Views
1K
HallsofIvy
H
A
Weak and Strong Induction (examples of the "strong" sort?)
Replies
5
Views
1K
HallsofIvy
H
J
Mechanics and Materials Change in Length and Stress/Strain
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15
Views
3K
Deleted member 4993
D
L
Flipping Fractals...
Replies
1
Views
623
Dr.Peterson
Dr.Peterson
S
Please help ? "Water shoots out from a horizontal pipe which is at a height of 52cm"
Replies
1
Views
3K
tkhunny
tkhunny
I
Matrix with complex numbers: 2ix + y - z = -1 -x +3y +2z = 5 - 7i 3x + (1+iy) - iz =
Replies
1
Views
751
tkhunny
tkhunny
I
Complex numbers - equations: (2z + i)^4 − 16i = 0, |z − 2 + i| + i ¯z = 3
Replies
3
Views
1K
Isiltir
I
L
Help me solve please
Replies
4
Views
725
Denis
D
T
Lcm: I've written a program to calculate the HCF & LCM for 2 or more numbers....
Replies
4
Views
1K
TheOAP
T
R
Three variables, non-linear system of equations
Replies
1
Views
597
Deleted member 4993
D
A
How can those two minus x squares disappear like that? Who is right?
Replies
12
Views
2K
Dr.Peterson
Dr.Peterson
S
Prove by Induction that 3 raised to 2n+1 + 2 raised to n-1 is divisible by 7
Replies
3
Views
864
Dr.Peterson
Dr.Peterson
MeowMori
Help please w/ "For real x_i s.t. 0 < x_1 <= x_2 <=...<= x_n, n>=2, & 1/(1+x_1) + ...
Replies
9
Views
2K
Dr.Peterson
Dr.Peterson
S
Mathematical Induction: sum[k=1,n][1/((2k-1)(2k+1)] = n/(2n+1), for n>= 1
Replies
3
Views
1K
Deleted member 4993
D
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