baxx's user avatar
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baxx's user avatar
baxx
  • Member for 9 years, 6 months
  • Last seen more than a month ago
6 votes
4 answers
185 views

Find n so that the following converges $\int_1^{+ \infty} \left( \frac{nx^2}{x^3 + 1} - \frac 1 {13x + 1} \right) dx$

6 votes
1 answer
158 views

convergent or divergent $\int_{-4}^{1} \frac{dz}{(z + 3)^3}$

4 votes
4 answers
4k views

Estimate the error that results when $\sqrt{1 + x}$ is replaced by $1 + \frac{1}{2}x$ if $|x| < 0.01$

3 votes
2 answers
568 views

How to change the value of $a$ in a Taylor series yet still get the correct approximation?

3 votes
5 answers
3k views

Fundamental theorem of calculus, Taylor's theorem

3 votes
5 answers
216 views

Prove $\lim_{x \to 1} \frac{x^b - 1}{x - 1} = b$

3 votes
2 answers
196 views

Basic Logarithm question - I can't get both answers from quadratic

3 votes
2 answers
156 views

Basic simultaneous equation with logarithms

3 votes
4 answers
141 views

Finding the first $n$ digits in a multiplication

2 votes
0 answers
67 views

How to prove that a triangle can be rotated around a convex polygon

2 votes
1 answer
54 views

Prove $[a,b] + [c, d) = [ a+c, b+d)$

2 votes
1 answer
191 views

Series of binomial coefficient denominators

2 votes
1 answer
175 views

Optimisation - first order necessary conditions, directions, Chong & Zak Q. 6.16

2 votes
1 answer
186 views

Simplex Algorithm, determining Two Phase is required and choice of artificial variables

2 votes
5 answers
1k views

Find the limit $ \lim_{x \to (\frac{1}{2})^{-}} \frac{\ln(1 - 2x)}{\tan \pi x} $

1 vote
1 answer
652 views

Example of KKT conditions using single variable, how to set up

1 vote
0 answers
36 views

Simplex method, amount to reduce basic by when non-basic is entered.

1 vote
2 answers
162 views

Basic property of kronecker delta $( A \otimes B)(A^{-1} \otimes B^{-1})$

1 vote
1 answer
330 views

Fixed points of a system of differential equations

1 vote
1 answer
92 views

How to evaluate the Jacobian for a system of differential equations when the terms aren't constants

1 vote
1 answer
766 views

Evaluate the integral $\int_{\pi/4}^{3\pi/4} x \cdot \cot(x) \cdot \csc(x) \mathop{dx}$

1 vote
1 answer
65 views

Prove directly that $xy - 1$ cannot be resolved into a product of two linear factors

1 vote
2 answers
89 views

$ 1 - \cos 2 \Theta$ can be rewritten as $1 - \left( 1 - 2 \sin^2 \Theta\right)$ - I don't understand why though

1 vote
1 answer
56 views

Set theory, is this question too ambiguously worded to answer? $|A \cap B \cap C|$

1 vote
3 answers
762 views

Factorize $6x^2 -5x -14 = 0$

0 votes
1 answer
83 views

Inequalities and equations - creating sets from quadratic equations.

0 votes
1 answer
3k views

How to work out following problem -> "sum of the multiples of 6 less than 100"

0 votes
1 answer
2k views

Series problem - finding the a and d values from given terms

0 votes
1 answer
79 views

Differentiation - basic areas - calculating the area of grid given line length

0 votes
1 answer
65 views

GCD of a series of integers with integer coefficients [closed]