Question

in an ap sum of first three terms is 21 product is 231 find the three
terms of an ap​

Answer 1

a-d+a+a+d =21

3a=21

a=7

(a-d)(a)(a+d)=a(a^2-d^2)=231

7(49_d^2)=231

49-d^2=77

-d^2=28

Answer 2

3,7,11 will be the terms