Question

if a20 = 50 d =2 then find a ?​

Answer 1

Answer:

a = 12

Step-by-step explanation:

Here,

t20 = 50 , a = ? , d= 2

using,

t20 = a+ (n-1) d

50 = a+ (20 - 1 ) 2

50 = a+ (19×2)

50 = a+ 38

50 -38 = a

12 = a