Ini adalah preview:
$F(x)=\displaystyle\frac{1-\sqrt{1-4x}}{2}$
\[F(x)=\displaystyle\frac{1-\sqrt{1-4x}}{2}\]
\[\begin{aligned}F(x)&=\frac{1-\sqrt{1-4x}}{2}\\&=\displaystyle\frac{\sum_{k=1}^{\infty}\binom{\frac{1}{2}}{k}(-4x)^k}{ 2}\end{aligned}\]
berwarna biru
\[\color{blue}x=1+\frac{1}{1+\frac{1}{1+\frac{1}{1+\frac{1}{1+\cdots}}}}\]
$\int_{0}^{\frac{\pi}{2}}\frac{dx}{1+\cot{x}}$
$$\int_{0}^{\frac{\pi}{2}}\frac{dx}{1+\cot{x}}$$
$\int_{0}^{\frac{\pi}{2}}\frac{dx}{1+\cot{x}}$
$$\int_{0}^{\frac{\pi}{2}}\frac{dx}{1+\cot{x}}$$
