x+p=230 p-x=200
a^2x × a^y=a^3 , (a^3)^x ÷ a^4y=a^32
3/4 + 5/6
42n-2nnsquare-400
4²÷(3+1)-6
360- x/2
360/1 - x/2
u((u^2+5)−3)√u^2+5=u(u^2+5)1/2−3^u(u^2+5)−1/2
the 3rd and7and7termsofaGP
(n(1)+n(0))*20.65625