Sagot :
Answer:
0, -2
2 -2 = 0
0 - 2 = -2
Step-by-step explanation:
2,_,_,-4
an = a + (n - 1) d
an = -4, a = 2, n = 4
-4 = 2 + (4 - 1) d
-4 = 2 + 3d
-4 - 2 = 3d
-6/3 = 3d/3
-2 = d
2, 0, -2, -4
2 -2 = 0
0 - 2 = -2
Answer:
0, -2
2 -2 = 0
0 - 2 = -2
Step-by-step explanation:
2,_,_,-4
an = a + (n - 1) d
an = -4, a = 2, n = 4
-4 = 2 + (4 - 1) d
-4 = 2 + 3d
-4 - 2 = 3d
-6/3 = 3d/3
-2 = d
2, 0, -2, -4
2 -2 = 0
0 - 2 = -2