Question

If the nth term of an arithmetic progression an=24-3n,then it's 2nd term is

Answer 1

$\huge {Solution}$

Given :-

an = 24 - 3n

To find :-

a2 = ?

Solution :-

an = 24 - 3n

=> a2 = 24 - 3× 2

=> a2 = 24 - 6

=> a2 = 18

Answer 2

$\huge{\bf{\fbox{\blue{Solution}}}}$

Given :

an = 24 - 3n

To find :

${a}{2} = ?$

Solution :

an = 24 -3n

a2 = 24 - 3(2)

a2 = 24 - 6

a2 = 18