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3h
comment Proving that $a^{b}$ is rational (Elementary number theorey)
See math.stackexchange.com/questions/104119/… and cut-the-knot.org/do_you_know/irrat.shtml
3h
answered Integration of the square root of a quadratic
3h
answered Does the limit $\lim\limits_{x\to0}\left(\frac{1}{x\tan^{-1}x}-\frac{1}{x^2}\right)$ exist?
4h
awarded  diophantine-equations
7h
comment Give the equations that are a tangent to the parabola $y = x^2 + 5x + 6$ and pass through $(1,1)$
@KingPulse, I wanted to show that : If you adjust your second method with parameters like that of mine, the result will converge with that of the first one.
7h
comment TRIGONOMETRICAL IDENTITIES
@MUZAFARUKARIISA, See math.stackexchange.com/questions/1412021/…
7h
answered Resolve $A=\cos{(\pi/7)}+\cos{(3\pi/7)}+\cos{(5\pi/7)}$ using $u=A+iB$
8h
comment Get the largest rectangle in a quadrilateral
See stackoverflow.com/questions/11548660/…
8h
comment If limit of $ \lim_{x\to0}(\frac{sin2x}{x^3} + \frac{a}{x^2} + b) $ is zero, then find a+b?
@user37238, Just set $a+2=0$ get a nice form:)
9h
comment Give the equations that are a tangent to the parabola $y = x^2 + 5x + 6$ and pass through $(1,1)$
@KingPulse, Please find the adjusted version.
9h
revised Give the equations that are a tangent to the parabola $y = x^2 + 5x + 6$ and pass through $(1,1)$
deleted 2 characters in body
9h
comment how to solve 192-2a^2-a=m(6a+1)?
@AlbericoLepore, See which factors of $1729$ are $<41$
9h
comment how to solve 192-2a^2-a=m(6a+1)?
$$1729=7\cdot13\cdot19$$
9h
answered how to solve 192-2a^2-a=m(6a+1)?
9h
answered If limit of $ \lim_{x\to0}(\frac{sin2x}{x^3} + \frac{a}{x^2} + b) $ is zero, then find a+b?
9h
answered Simplifying Cube Roots Containing a Square Root
10h
answered Give the equations that are a tangent to the parabola $y = x^2 + 5x + 6$ and pass through $(1,1)$
10h
comment Is there an integer solution to $x^2+1978=y^2$
@user114138, If $y-x$ is even, so will be $y+x\implies y^2-x^2$ will be divisible by $4$ What if $y-x$ is odd?
10h
answered Is there an integer solution to $x^2+1978=y^2$
10h
comment Prove $ \sin(A+B)\sin(A-B)=\sin^2A-\sin^2B $
$$\sin^2 A \cos^2 B -\sin^2 B \cos^2 A=\sin^2 A(1- \sin^2 B) -\sin^2 B (1-\sin^2 A)=?$$