If $$ sqrt{a}+ sqrt{b}=15 and ( sqrt{a}- sqrt{b} )=3$$ then the va – McqOptions

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1.	If $$ sqrt{a}+ sqrt{b}=15 and ( sqrt{a}- sqrt{b} )=3$$ then the value of $$ sqrt{ab/4} $$ is
A.	$$27 over 2$$
B.	5
C.	6
D.	7
Answer» B. 5

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