Question

If nth term of an A.P. is 2na+b , Where a, b are constants , is this sequence an A.P.?​

Answer 1

yes

tn=2an+b

t1=2a+b

t2=4a+b

t3=6a+b

.....

..... clearly it is an Ap with common difference 2a

Answer 2

Answer:

tn=2an+b

t1=2a+b

t2=4a+b

t3=6a+b

clearly it is an Ap with common difference 2a

Explanation: