Question

sum of three terms in an ap is 21 and there product is 231 find numbers​

Answer 1

Answer:

d= +-4and a is 7

Step-by-step explanation:

let the 3 nos be a-d,a ,a+d

so,

3a=21

a =7

from 2nd condition,

7-d*7*7+d=231

49-d^2=33

d^2 =16

d= +-4

if d =4

so ap =7,11,15

if d=-4

so ap = 7,3 ,-1

Answer 2

I hope you find this answer usful