Question

if an=4n -2then the value of a4 is​

Answer 1

Answer: 4a = 14

Step-by-step explanation:

$an = 4n -2$

for 4a put n = 4

$4a = 4*4 - 2$

$4a = 16 - 2$

$4a = 14$

Answer 2

Step-by-step explanation:

if. an = 4n-2

then. a = (4n-2)÷n

multiply both side with 4

then. a4 = ((4n-2)÷n)4

so. a4 = (16n-8)÷n