Since , the idea here is to find
such that
Expanding the left side completely, we find two possibilities:
so that can be either positive or negative 20.
How do I graph the equation y-3=1/2(x-1)?
1 answer:
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Answer:
Step-by-step explanation:
x⁴ - 3x² + 2 = 0
x^2×2 - 3x² + 2 = 0
(x²)² - 3x² + 2 = 0
t² - 3t + 2 = 0
t = 1, t = 2
x² = 1, x² = 2
x = -1, x = 1
x = - square root 2, x = square root 2