$64a^{2}$ -91a+25=0
what is equivalent to 1/3
simplify 25/40
Solve this generating function Ar= 2,5,19,35
5(x+3)=3x-4
S_n= T_(1 [((1-r^n ))/((1-r) )] )
11-x<10
differentiate (x^10)(tan2x) leave your answer in its simplest form
after 36 minutes 40% of the download is complete. In total how long should the download take
3 $a_{b}$