# Test (LaTex Practice)

#### DeanSchlarbaum

x squared - i = 0

$$\displaystyle x^2-i=0$$

$$\displaystyle x^2=i$$

$$\displaystyle x=\sqrt{i}$$

$$\displaystyle x=\sqrt{\sqrt-1}$$

$$\displaystyle x=\pm(\frac{1+i}{\sqrt2})$$

What symbol(s) is(are) needed to make Delimiters (. . .) bigger to completely encompass fraction?

#### Failure

x squared - i = 0

$$\displaystyle x^2-i=0$$

$$\displaystyle x^2=i$$

$$\displaystyle x=\sqrt{i}$$

$$\displaystyle x=\sqrt{\sqrt-1}$$

$$\displaystyle x=\pm(\frac{1+i}{\sqrt2})$$

What symbol(s) is(are) needed to make Delimiters (. . .) bigger to completely encompass fraction?
Either you can just choose bigger ones, like \big( and \big), or \Big( and \Big), or \Big[ and \Big].
Or you can use pairs of \left( and \right) or \left[ and \right] that will be resized automatically to the height of the expression that is contained in them, like this

$$\displaystyle x=\pm\left(\frac{1+i}{\sqrt{2}}\right)^2$$

• DeanSchlarbaum
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