Question

if an=2n2 +1 then find the comman differenc.​

Answer 1

Answer:

6

Step-by-step explanation:

if

Tn=2n²+1

T¹=2+1=3

T²=2x4+1=9

now,

common diff., d=T²-T¹=9-3=6 ans

Answer 2

Answer:

xcuctxyvuxycucyctcbj