If (25)x – 1 = 64((frac{5}{2}))6, then x has the value
-
A.
7 -
B.
4 -
C.
32 -
D.
64 -
E.
5
Correct Answer: Option B
Explanation
(25)x – 1 = 64((frac{5}{2}))6
((frac{5}{2}))6 = ((frac{5^6}{64}))
25x – 1 = 64 x ((frac{5^6}{64}))
52x – 2 = 56
2x – 2 = 6x
= (frac{8}{2})
= 4