If (a−−√+b√)(a+b) = 15 and (a−−√−b√)(a−b) = 3, the – McqOptions

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1.	If (a−−√+b√)(a+b) = 15 and (a−−√−b√)(a−b) = 3, then the value of ab−−√4ab4 is?
A.	6
B.	7
C.	2722722722722722722722722722722727272722272
D.	5
Answer» B. 7

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