User:Kavita11/my sandbox


 * Photo= [[Image:kavita.png|300px|centre]]

$$\frac{\sum XY-n\bar X \bar Y}{\sum X^2-n\bar X^2}$$

$$\sigma x$$

$$\bar Y -n \bar X$$

$$\sqrt{b yx* b xy}$$

b=Failed to parse (syntax error): \frac{\sum XY + n &lt;math&gt;\bar X

$$ \bar Y$$}{$$ \sum$$X2-n $$\bar X$$2} &lt;/math&gt;

Failed to parse (syntax error): \frac\sum {XY + n &lt;math&gt;\bar X

$$ \bar Y$$} {$$ \sum$$X2-n $$\bar X$$ 2} &lt;/math&gt;

$$\frac{dy}{dx}$$

$$\bar X$$

\sqrt(x)

$$ X_{1}^{2}$$

$$ \sqrt[n](x)$$

x2 + y2

$$\sqrt(x^2+y^2+z^2)$$

x2

Xα

$$\sqrt{\frac{\alpha+\beta+67} {x^2+56}}$$

$$ \sqrt{x}$$

x2

$$\int X^{2}dx$$

$$\int _{0}^{\infty}x^3+x^2+3dx=n$$

$$\frac{dy}{dx}$$

$$ a\subset b $$

$$ a\pm b $$

$$\bar X$$

$$ a\ b $$

$$ a \geq b $$

$$ a \leq b $$

$$ a\neq b $$

$$ a \Uparrow b$$

$$ m \Rightarrow b $$

$$ p \Leftarrow q $$

$$ a \Downarrow c$$

$$\bar X$$

Failed to parse (syntax error): \begin{pmatrix}1 &amp; 0 &amp; 0\\0 &amp; 1 &amp; 0\\0 &amp; 0 &amp; 1/end{pmatrix}

b=Failed to parse (syntax error): \frac{&lt;math&gt;\sum

XY+n / b'a'r'X / ba'r'Y } {$$\sum$$X2-n / b'a'r'X &lt; su'p &gt; 2 &lt; / su'p &gt;  }'