Each of the following equations has at least one solution EXCEPT
A. –2^n = (–2)^-n
B. 2^-n = (–2)^n
C. 2^n = (–2)^-n
D. (–2)^n = –2^n
E. (–2)^-n = –2^-n
OA A
Source: Manhattan Prep
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Each of the following equations has at least one solution EXCEPT
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Lets pick a value for \(n\).BTGmoderatorDC wrote: ↑Fri Jul 03, 2020 6:34 pmEach of the following equations has at least one solution EXCEPT
A. –2^n = (–2)^-n
B. 2^-n = (–2)^n
C. 2^n = (–2)^-n
D. (–2)^n = –2^n
E. (–2)^-n = –2^-n
OA A
Source: Manhattan Prep
\(n = 0\)
A. cannot be true as we get -1 on LHS and 1 on RHS ( as anything to the power of 0 is 1)
B. true (LHS = RHS = 1)
C. true (LHS = RHS = 1)
D. true (LHS = RHS = 1)
E. true (LHS = RHS = 1)
Hence, answer is A.
