If a, b are positive integers (b>1) such that a b = 256, then find the
| If a, b are positive integers (b>1) such that ab = 256, then find the value of (b + 3)a-1
A. 515
B. 343
C. Both A & B
D. None of these.
Right Answer is: D
SOLUTION
ab = 256 and b > 1
ab = 162 or 44 or 28
So a = 16, 4 or 2 and b = 2, 4 or 8
Hence a unique value can’t be determined.
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If a, b are positive integers (b>1) such that a b = 256, then find the