Stardust Chris wrote:
What is the value of \(x^8\) ?
(1) \(x^2=16\)
(2) \(x<0\)
S1:
\(x^2 = 16\)
\(=> x^8 = (x^2)^4 = 16^4\)
SUFFICIENT
S2:
x<0
\(x^8\) may take any value depending on |x|
INSUFFICIENT.
IMO A
What is the value of \(x^8\) ?
(1) \(x^2=16\)
(2) \(x<0\)
S1:
\(x^2 = 16\)
\(=> x^8 = (x^2)^4 = 16^4\)
SUFFICIENT
S2:
x<0
\(x^8\) may take any value depending on |x|
INSUFFICIENT.
IMO A
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