In the given AP : 1, 5, 9, 13, 17 , Find which - Maths - Arithmetic Progressions

Question

In the given AP : 1, 5, 9, 13, 17 , Find which term would have
229?

Arbaz Aziz · Answer

1,5,9 229
an=229
a=1
d=4
an=a+(n-1)d
229=1+(n-1)4
229=228=(n-1)4
228=(n-1)4
n-1=228
4
n-1=57
n=57+1
n=58

In the given AP : 1, 5, 9, 13, 17....... , Find which term would have 229?