A+B=2,A×B=1 Find 1÷a-1÷b
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Step-by-step explanation:
1/a-1/b = a-b/ab
a-b/1 [ since ab = 1 ]
a = 2-b
b[2-b] = 1
2b-b^2=1
b^2 - 2b +1 =0
[b-1] [b-1] = 0
b =1
So, a = 1
a-b = 1-1 = 0
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