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12 votes
3 answers
4k views

Does the same determinant make two matrices equal to each other?

8 votes
4 answers
4k views

Exponential Simultaneous Equations

6 votes
4 answers
777 views

Basic Logarithm Equation

5 votes
2 answers
10k views

Ambiguity with Logs and Inequalities

4 votes
3 answers
105 views

Simple Logarithms Equation

4 votes
1 answer
4k views

How many permutations of the letters DANIEL do not begin with D or do not end with L?

4 votes
1 answer
811 views

Rate of Evaporation of a Vase

4 votes
2 answers
93 views

Horizontal Asymptotes

4 votes
3 answers
1k views

Dividing Variance by $n$

3 votes
1 answer
83 views

Convergence of Type II Improper Integral

3 votes
1 answer
97 views

Visualizing Multivariable Functions

3 votes
0 answers
85 views

When is $(2cis\frac{2\pi}{3})^n$ real?

3 votes
1 answer
720 views

Complex Numbers and Binomial Expansion

3 votes
2 answers
212 views

Exact Matrix Inversion

3 votes
2 answers
103 views

Matrix Inverse: 3 Sources, 3 Different Answers

3 votes
1 answer
2k views

Solving a system of linear equations without using inverses

3 votes
2 answers
645 views

Surface Area of a Sphere

3 votes
1 answer
204 views

Fundamental Theorem of Algebra for Trigonometry

2 votes
3 answers
121 views

Trigonometric Equation Simplification

2 votes
2 answers
96 views

Incorrect General Statement for Modulus Inequalities

2 votes
1 answer
233 views

Propagation of Uncertainties [closed]

2 votes
1 answer
40 views

Integration Using Inverse Trig Functions

2 votes
5 answers
90 views

Algebraically solving the inequality $\frac{1}{x} - 1 > 0$

2 votes
1 answer
34 views

Inconsistencies with multiple differentiation methods

2 votes
1 answer
920 views

Related Rates of Change Ship

2 votes
5 answers
641 views

Domain and Range Confusion

2 votes
0 answers
22 views

Volumes of Revolution limits confusion

2 votes
4 answers
1k views

Surface Area of a Sphere Without Calculus

2 votes
2 answers
2k views

In how many ways can five different sweets be split amongst two people if each person must have at least one sweet?

2 votes
3 answers
4k views

Comparing large exponents