Answer:
1. 3, 7, 11, 15, 19
2. An=2n² Move 2 to the left
An-2n²=0 Equate it to zero make a quadratic
equation
An(1-2n)=0
n=0/ 1-2n=0 Move 1 to the right
-2n=-1 Divide both sides by -2 to only
leave n
n=1/2
3. a1= 1/2
a2= 1/4
a3= 1/8
a4= 1/16
a5= 1/32
Step-by-step explanation: oh yan na kiss mo nako djk lang haha
