If (a+b):ab=2:1 so a:b=?
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Answered by
0
Answer:
(a+b)/ab=2/1
(a+b)/2ab=2/2=1/1
(a+b+2ab)/(a+b-2ab)=1+1/1-1
(√a+√b)^2/(√a-√b)^2=1/0
(√a-√b)^2/(√a+√b)^2=0/1=0
(√a-√b)/(√a+√b)=0
√a-√b=0
√a=√b
a=b
a/b=1
so,
a:b=1:1
Answered by
0
Step-by-step explanation:
a+b/ab = 2/1
=> a+b =2ab
=> a = 2ab -b
& b= 2ab -a
=> a:b = 2ab - b : 2ab - a
a+b/2a = b
a+b/2b = a
so a : b = a+b/2a : a+b/2b
=> a / b = a+b /2a × 2b/a+b
=> a/b = 2b/2a
=> a/b = b/a
=> a:b = b:a
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