353,354 views
38 votes
38 votes
If GM of two numbers is 15 and their HM is 9. find these two numbers?

User PetrV
by
2.8k points

1 Answer

22 votes
22 votes

Answer:

(45,5) ans

Explanation:

gm=√ab

15= √ab

15^2=ab

again,

hm=2ab/a+b

9=2×15^2/a+b

a+b=50

Now

ab=15^2

(50-b)b=225

b^2-50b+225=0

(b-45)(b-5)=0

putting value

a=45,5

So value is

(45,5)

User Ahmad Ayyaz
by
2.8k points