Question

if a1 = 5 and an = an-1 +2 then find the value of a4

Answer 1

Answer:

Step-by-step explanation:

an = (an-1)2 + 5. a1 = 4. Then: a1 = 4. a2 = (4)2 + 5 = 16 + 5 = 21. a3 = (21)2 + 5 = 441 + 5 = 446. a4 = (446)2 + 5 = 198916