$g^{2}$-24=10g
a price of an item was rediced by 22%, now its price is 400. calculate its original price.
5x-2+x=9+3x+10
11.2/22.4
1.2.2
Given the stationary AR(2) process:
X_t=5/6 X_(t-1)-1/6 X_(t-2)+e_t
Find ρ0 , ρ1 and ρ2. ...
$3g^{2}$=4(8g-5)
12ab+16ac
400 = x-$\frac{\22}{\100}$x
$a^{4}$ -2 $a^{2}$ -4a-1=0
2+6(x-4)=3x-18+3x