Question

for an A.P if t4=12 and d=-10 then find its general term​

Answer 1

Answer:

the AP is 42, 32, 22, 12,2....

Step-by-step explanation:

t4 = a + (4-1)d = 12

= a + 3d =12

now substitute d = -10

a + 3(-10) = 12

a - 30 = 12

a = 42

therefore, the AP is 42, 32, 22, 12,2....