Find the first 5 terms of the given geometric sequence

1. a1=5; r=2
2. a1=-4; r=½
3. a1=3; r=-³/2
4. a1=6; r=3
5. a1=2; r=-½​


Sagot :

Answer

1) 5,10,20,40,80

2) -4, -2, -1, -½, -¼

3) 3,-9/2, 27/2, -81/2, 243/2

4) 1,3,9,27,81

5) 2,-1, ½, -¼, ⅛