Question

The sum of the first three terms of a.p is 15 if the sum of their squares is 93 find ap

Answer 1

Step-by-step explanation:

let the first number be x

x+x+x=15

3x=15x=15/3

=5

Answer 2

lets take 15=8+5+2

square of 8 is 64

square of 5 is 25

square of 2 is 04

if u add all u will get the answer of 93

hence the 3 terms are 8,5,2