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If the sum of reciprocal of three numbers in H.P is 18 and their product is 120 ,then find the numbers?

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5 years ago

noogler
489 Points
```							let three no. in H.P be x,y,z nd there receprocals be a,b,c which are in A.Pgiven a+b+c=18 and abc=120           3b=18......b=6           because as a,b,c r in A.P  a+c=2b    now  a+c=12 , ac=20    on solving these two eq. u get a=2, b=6, c=10as required no. r  x,y,z  i.e,   ½  , 1/6  , 1/10 APPROVE IF USEFUL!!!!!!!!!!!
```
5 years ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions