FunctionHard

Question

If the graph of the function f(x) = is symmetric about y-axis, then n is equal to:

Options

A.2
B.2/3
C.1/4
D.- 1 / 3

Solution

f(x) =
∵  f(x) = f(-x)
⇒    ⇒  (-x)n = - xn
n = - 1/3

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