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1d
revised Explain why $\lim ({a_n}^k)={(\lim(a_n))}^k$ cannot be used to find limit $(1+\frac1n)^n$
deleted 1 character in body
2d
answered Trignometry, Unable to solve this ..
2d
revised Trignometry, Unable to solve this ..
added 14 characters in body
Apr
30
awarded  Popular Question
Apr
28
revised What's so special about radians? (Differentiation)
added 8 characters in body
Apr
27
answered How to know the (first term) in arithmetic sequence?
Apr
17
revised Something wrong at $\int \frac{x^2}{x^2+2x+1}dx$
added 6 characters in body
Apr
16
answered Solve $ \left(\sqrt[3]{4-\sqrt{15}}\right)^x+\left(\sqrt[3]{4+\sqrt{15}}\right)^x=8 $
Apr
13
revised Trigonometric integrals
added 9 characters in body
Apr
13
revised the sum of powers of $2$ between $2^0$ and $2^n$
added 6 characters in body
Apr
9
answered Please help solve for the variables A and B
Mar
24
revised Multiplying a number with percentage to get a determined sum
added 22 characters in body
Mar
24
answered Multiplying a number with percentage to get a determined sum
Mar
24
answered Integrating $\sin 2x \cos 2x$
Mar
19
answered What does $\prod_{k=-2}^{11}(15-3k)$ mean--and how might I compute it?
Mar
16
answered Expressing $\frac{1}{\sqrt{2} + \sqrt{3} + \sqrt{5}}$ with rational Denominator
Mar
16
revised How to prove the trigonometric equality $\tan(\pi/7) \tan(2\pi/7) \tan(3\pi/7)= \sqrt 7$?
deleted 9 characters in body; edited title
Mar
16
revised How to prove the trigonometric equality $\tan(\pi/7) \tan(2\pi/7) \tan(3\pi/7)= \sqrt 7$?
added 2 characters in body
Mar
16
answered Solving for $x$, ${\sqrt{7x-5}} - {\sqrt{2x}} = {\sqrt{15 - 7x}}$
Mar
16
answered finding derivative of g(x) = xtanx