DeterminantHard
Question
If f(x) =
, then
Options
A.f(x) - f(- x) = 0
B.f(x) . f(- x) = 0
C.f(x) + f(- x) = 0
D.f(x) = f(- x) = 0
Solution
f(x) = 

f(-x) =
= - f(x)
∴ f(x) + f(- x) = 0
f(-x) =
∴ f(x) + f(- x) = 0
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