The sum of two numbers is 8 and the sum of their reciprocal is 8/15. Find the numbers.
Answers
Answered by
0
Step-by-step explanation:
let
two numbers be x and y
x+y=8 and
1/x + 1/y = 8/15
and solve it using simultaneous method
Answered by
2
Answer:
let 1 no =x
----2----=y
x+y=8 ------eg. 1
; 1/x+1/y = 8/15 i.e (x+y)/xy=8/15
thus xy=15 now from eq.1, x=8-y putting here in this eq.
(8-y)*y=15
8y-y2=15 = y2-8y+15=0
solving we get y=5 or y=3
so nos. are 5,3
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