If √2n = 64, then the value of n is : Choose the correct answer.
A) 6  B) 12  C) 24  D) 48  E) NOne
Sol.   √2n = 64 ⇔ (2n)1/2 ⇔ 2n/2 = 26 ⇔ n/2   = 6 ⇔ n = 12.   Answer 12
<result>B</result>
If √2n = 64, then the value of n is :