Math, asked by anushkadolas657, 2 months ago

find the 21 term of the A.P 3,7,11,15,​

Answers

Answered by stijikannanammu3095
0

Answer:

83

Step-by-step explanation:

a=3

d=4

Therfore by formula

an = a+(n-1)d

a21 = 3 +(21-1)4

a21 = 3+(20)×4

a21 = 3+ 80

a21 = 83

Similar questions