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57/20 answers
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Aug
16
reviewed Approve $\int_{0}^{\frac{\sqrt{2}-1}{2}}\frac{dx}{(2x+1)\sqrt{x^2+x}}$
Aug
9
reviewed Reject and Edit ALL possible solutions of $\tan^2\theta - 5\tan \theta = 14$
Jul
15
reviewed Approve Logarithm problem with two bases
Jun
22
reviewed Edit Evaluation recursive limit
Jun
2
reviewed Approve Limit of a function involving trigonometric exponents.
Apr
5
reviewed Approve Trigonometry (sec x)
Mar
22
reviewed Approve Tricky Logarithmic Inequality Problem
Dec
11
reviewed Reject Fermat's Little Theorem - Prim. Root - Find x
Sep
27
reviewed Edit Trigonometry Difficult Question
Sep
16
reviewed Approve Logs and indices questions
Sep
14
reviewed Approve Calculus Limits Problem
Dec
9
reviewed Approve Factoring question from March $2013$ AMATYC exam
Dec
8
reviewed Approve Find the domain of the function $f(x)=\dfrac{64+x^2+x}{9x^2+27x+9}$.
Nov
25
reviewed Approve Evaluate $\lim\limits_{n \to\infty} \left(\frac{n-1} {2n+2}\right)^n$
Nov
24
reviewed Approve question about the limit $\lim_{h\to0}\frac{\arcsin(x+h)-\arcsin(x)}{h}$
Nov
8
reviewed Approve Prove by induction $n^3 < 3^n$. What is the value of $n_0$?
Oct
21
reviewed Approve If $x^2+y^2=z^2$ has a solution then $5$ divides $xyz$
Oct
1
reviewed Edit The derivative of a trigonometric function.
Sep
7
reviewed Edit using induction to prove $(n+1)^2 < 2n^2$
Jul
20
reviewed Approve Evaluating $\lim\limits_{x \to 0} \frac1{1-\cos (x^2)}\sum\limits_{n=4}^{\infty} n^5x^n$