simplify x/y . p/q
1 1/7 + 2 9/14 + 3 3/4
-21/8÷7/10
zeroes of the polynomial p(x) = 2x square - 9 - 3x
$\sqrt{2}$ = 6/x
limx→∞(1+1/x)^(x+2)
lim(2+1/n)^(n+1)^2
ab+ac+b2
what is the fifth triangular number?
y'+xe^(-x/2)=0