Find all the critical numbers of the function f(x) = x^4 - 4x^2

C.N x = ±√2, 0

Step-by-step explanation:

Basic Power Rule:

f(x) = cxⁿ

f’(x) = c·nxⁿ⁻¹

Critical numbers occur when f'(x) is equal to zero or undefined.

Step 1: Define function

f(x) = x⁴ - 4x²

Step 2: Find critical numbers

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