What's the value of [math]\int^{\pi}_{-\pi} (\sqrt{1 +x^2} ) dx[/math]?
What's the value of [math]\int^{\pi}_{-\pi} \sqrt{1  +x^2} \, dx[/math]?
What is the value of [math]\sqrt [i\pi ] {-1}[/math]? What is the value of [math]x[/math] in this equation: [math]3=\frac {6\sqrt {12,3}}{\sqrt {x}}[/math]? What is the value of [math]\left(3+2 \sqrt{2}\right)^{-3} +\left(3-2\sqrt{2}\right)^{-3}[/math]? How do you find the value of [math]\sqrt{3 + \sqrt{3 - \sqrt{3 + …}}}[/math]? How is the value of [math]\pi[/math] calculated? What is the value of [math]\sqrt{-1}[/math]? What is [math]\sqrt {2+\sqrt {2+\sqrt {2+\sqrt {2+...\infty}}}}[/math] ? What is [math]\dfrac{d}{dx}\left(\sin^{-1}(x)+2\sqrt{1-x^2}\right)[/math]? Where [math]x\in(-1,1)[/math]. How does one calculate [math]\int \frac1{x^2+a^2}dx[/math]? What is the value of [math]\sqrt[i]{i}[/math]? What is the value of [math]2x^2 - 7x^2 -2x + 1[/math] if [math]x=\frac{1}{2 + \sqrt{3}}[/math]? Does [math]\sec^2 -\dfrac{\pi}{4}=2?[/math] What is the [math]\sqrt{-\dfrac{1}{2}}[/math]? What is the value of [math]\int{\frac{1}{\log{x}}dx}[/math] What's the value of [math]1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\cdots ?[/math] If [math]\sqrt{a}+\sqrt{a}=20[/math], then what is the value of [math]a[/math]? What is [math]\frac{d}{dx}(2x)^2[/math]? What is [math] \displaystyle \lim_{x\to \frac{\pi}{2}} (\tan x)^{\tan 2x} [/math]? What is [math]\displaystyle \lim_{n \to \infty}\scriptstyle \sqrt{1 +2 \sqrt{1 +3 \sqrt{1 +4 \sqrt{\ldots \sqrt{1+n}}}}}[/math]? What is [math]\displaystyle \lim_{n \to \infty}\scriptstyle \sqrt{1+ \sqrt{2 +\sqrt{3 + \sqrt{\ldots \sqrt{n}}}}}[/math]? What is [math]\frac{d}{dx} \left(\sin(2x)\cos(2y)=0\right)[/math]? What is [math] \frac {d}{dx} (x\sin(x)) [/math]? Is [math] \sqrt {2} +\sqrt {3} +\sqrt {4} +...+\sqrt {x} [/math] rational? What is [math]x^2+\frac{1}{x^2}[/math], given [math]x+\frac{1}{x}= 1[/math]? What is [math]\sqrt{x^2}[/math] equal to? How do you solve [math]\displaystyle\int\sqrt {4-x^2}\;dx[/math]? What is the value of [math] \sin^2 1 + \sin^2 5 + \sin^2 9 +…..+\sin^2 89 [/math] ? What is the value of [math] \displaystyle \sum_{n=1}^{\infty }{\frac{{{\left( -1 \right)}^{n+1}}}{4{{n}^{2}}-1}} [/math] ? How does one calculate [math]\frac{1}{1 \times 2} [/math] + [math]\frac{1}{3 \times 4}[/math] + … ? What is the integration of [math]\frac{1}{\sqrt{1+x^4}}[/math]?