Question

in an AP if an=4n-3 find it's first 4th terms​

Answer 1

Answer:

t

n

=4n−3

Put n = 1

∴t

1

=4×1−3

=4−3=1

∴ First term (t

1

)=1

Put n = 2

∴t

2

=4×2−3

=8−3=5

so, 4th term is : a+3d

1+3(4)

=13