Question

The sun and Prodest of the terms of AP are 15 and 80 respectively. Find the three terms.​

Answer 1

Answer:

I didn't question tell properly

Answer 2

Step-by-step explanation:

let the numbers in the A.P. be a-d , a, a+d where a is the first term and d is the common difference

A/Q,

(a-d) +a+ (a+d)=15

=>3a =15

=>a=5

Also,

(a-d)×a×(a+d)=80

=>(a²-d²)×a =80

=>5²-d²=80/5

=>25-d²=16

=>-d²=16-25

=>d²=9

=>d=+- 3

If d is 3 then,

a-d=5-3=2

a=5

a+d=5+3=8

If d is -3 then,

a-d=5-(-3)=5+3=8

a=5

a+d=5+(-3)=5-3=2

Therefore the numbers are 2,5,8 or 8,5,2

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