p^2 + p +2 = 0
\frac{x+2}{3} +\frac{x-2}{5}= \frac{5(x+2)}{15} +\frac{3(x-2)}{15}
\frac{1}{a^2+b^2+c^2}
\frac{1}{1+ \frac{1}{1+\frac{1}{1+x}}}
\x^2+2x+3=0 memiliki akar-akar persamaan\. \alpha \.dan \.\beta\. maka\. nilai \.\alpha+\beta=...?
Read more...
