Subject
Quantitative Aptitude
Topic
Solution
For (a+b) =7 and ab= 12, (a-b) =?
For (a+b) =7 and ab= 12, (a-b) =?
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4Explanation
(a-b)2 =(a+b)2 -4ab = 72-4.12=49-48=1 a-b=√1=1Related questions
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