Question

The 20th term of the AP 10,7,4,....... Is

Answer 1

Hloo mate here is your answer…………


here in this ap series
a=first term =10
d=commondiff.= -3
n=no. Of term =20

so, Tn= nth term = ?

so,
using formula.…
Tn=a+(n-1)d
=10+(20-1)(-3)
=10+19(-3)
= 10 -57= -47

so the required 20th term of given AP is -47,



i hope this is helpful to you.…………