the three consecutive terms in AP whose sum is 54 and product is 5382
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Answered by
4
a-d+a+a+d=54
3a=54
a=18
second term is 18
a(a-d)(a+d)=5382
18(a^2-d^2)=5382
18^2-d^2=299
324-d^2=299
d^2=25
d=√25
d=5
so the three terms are 13,18,23
dishabucha:
D can be ±5
Answered by
1
Answer:
Step-by-step explanation:
let the 3 terms Be a-d, a, a+d
A+a-d+a+d = 54
3a = 54 , a= 18
A(a+d)(a-d) = 5382
18(a² - D²) = 5382
324-d² = 5382/18
324-d² = 299
D² = 324-299
D² = 25
D = ±5
Ap formed when d=5
18,23,28......
Ap formed when d = -5
18, 13 , 7.....
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