Question

Find the first term and common difference of the arithmetic progressions whose nth term is -3 +2n

Answer 1

Step-by-step explanation:

The common difference of an A.P. is given by a

n+1

−a

n

∴d=a

n+1

−a

n

=3+2(n+1)−(3+2n)

=2n+2−2n

=2

Hence, the common difference d=2

Answer 2

${\huge{\underline{\large{\mathbb{\green{VERIFIED \: ANSWER}}}}}}$

Refer Attachment Please